454 chevy water pump bypass hose 396/427/454. 4. Chevelle Camaro El Camino Nova (fits 4 models) 1965-68 Camaro, Impala, Nova, Corvette; Water Pump Bypass Hose; Big Block; w/Short Pump. Correct fitment for 1963-1967 327 Special Hi-Perf. SKU: 1485552; Item #: 1485552; Brand: GM (General Motors) Condition: New Reproduction 1965-1974 396, 427, 454 water pump by-pass hose clamps - clamps for attaching water pump or intake manifold. com Reactions: bucket, Catbox, Big Chip and 1 other person. Full Manufacturer Warranty. 1: Reviews: Write a Review * Your Name: * Email (This will not be I have a 454 with a long waterpump, an Edelbrock performer intake, I purchased the correct bigblock short bypass hose fittings, the front of the Edelbrock manifold sticks out about 1/2 to 3/4" farther than a stock manifold. Each hose is manufactured to correct dimensions allowing an exact replacement of the worn, thinning or deteriorating original hose. 1956, and 1957 Chevy owners and enthusiasts. No need to run the bypass hose in your I put on a hv aluminum water pump on my engine installation. 2 502 engines regardless of brand that use this hose. Water Pump Bypass Hose. Join Date: May 2004 item 5 69-75 Chevrolet Big Block Water Pump Bypass Hose w/ Correct Hose Clamps Straight 69-75 Chevrolet Big Block Water Pump Bypass Hose w/ Correct Hose Clamps Straight. 396/427/454 65-74 - $20. I can't see how the water is flowing through the heads with just that one little hole into the block. 396/427/454 - Auto Accessories of America. #39 Wittek style clamp. Come join the Free Shipping - Dayco Molded Heater Hoses with qualifying orders of $109. Silicone moulded hoses are readily available in various shapes and several colors. This is for a New, Correct Design, (Discontinued Original GM Part Number was 3860302, GM Group Number 1. Part Number: 555-79524. See more details. Thanks to everyone for your replies. S. There is only one place to attach a hose on the water pump. Special Order The old intake had the 5/8" heater hose coming out of the front passenger side, I would like to eliminate the bypass hose and run the 5/8" heater hose out of the water pump. The bypass is a separate circuit to prevent a rush of coolant when the thermostat opens. Advanced: Daily Deals BIG BLOCK CHEVY BY PASS Hose Water Pump Bypass HOSE 396/427/454. IRONTREE AW5103 Professional Water Pump Kit with Gasket Compatible with Chevrolet Cadillac The water pump bypass hose helps your 327 warm up faster. For the good of the Free World, DEMAND COMPENSATION FROM CHINA for their release of the Virus Originating in the Wuhan Laboratory. Connect your heater hoses with these high-quality water pump nipples from OPGI. 060/TCI Nothing worse than a coolant leak from your 1969, 1970, 1971, 1972, 1973 or1974 Nova. For my 454 Big Block Chevy, I added an Edelbrock Air Gap Intake Manifold, which JEGS 79530 - Water Pump Bypass Hose for 1965-1968 Chevrolet Full Size [Big Block Chevy] (2) $17. I'm having trouble locating a hose that will fit. And then you can plug the unused threaded outlets in your intake and your water pump. Plea I know I have posted about this before but I really need to understand. Sold in pairs. 00. 00 amps, Aluminum, Black Anodized, Bypass Port, Chevy, Big Block, Each. Search for a Water pump BYPASS hose for a LONG water pump . A must-have. I have a RPM Airgap and the hose is kinked. 99 ea Here is a part number for a Four Seasons fitting (45 degree) that will allow a straight hose to be used when using a Air Gap intake with a long style water pump. Part # 92612667: Brand: Speedway Motors: Water pump and heater hose short bypass fitting; Original GM Reproduction; Sold individually; Big Water bypass kit. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Shadetree55 454 WATER PUMP BYPASS HOSE CLAMPS, (PAIR) Correct, special side screw bypass hose clamps for big block Chevrolet engines from the 60's and 70's. I. 92. Shop Hoses, Heater at Summit Racing. 3. Pipe to Hose Barb Fittings. MasterPro Coolant Hose - 20338. 65-74 Water Pump Bypass Pipe - 396 / 427 / 454 Intake Manifold Dayco Molded Bypass Hoses. He recommended using the hose. $22. 2. CAMARO CHEVELLE CORVETTE 396 454 WATER PUMP BYPASS HOSE W CLAMPS (For: Chevrolet) Opens in a new window or tab. Centerline Length (in): 4-7/8 Inch. 99. 4L/454 Chevy big block Mark IV Hoses, Heater and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Engine Coolant Bypass Hose (2) Heater Hose, HVAC Heater Hose (2) Heater To Intake Manifold (2) Heater To Intake Manifold, HVAC Heater Hose (2) HVAC Heater Hose (2) The second and sometimes bigger reason is being able to find a bypass hose that actually fits right especially when you replace the intake manifold with one that moves the bypass fitting. it is not harming anything. This hose is the correct reinforced rubber as original. 1969 GTO Convertible - Restomod Underway 1983 El Camino SS - Original Choo Choo w/ '96 LT1/4L60E 2019 BMW 440ix twin turbo I6, 8spd auto C3 Tech/Performance - BB Thermostat Bypass - Hey people, Just a quick question. 4L 454cid V8: Cooling System: Anyways, my 454 ran better without the bypass hoses and the 396 would over heat the heads at the temperature sender but not the water in the radiator. I am about to install a aluminum high flow water pump and I’m thinking about deleting the bypass coolant hose. Material: Find CHEVROLET 7. We usually deal with Chevrolet, Ford and Mopar parts from the 60' thru the 90's. $9. 3 4. in fact, one went so far as to say that his big block engines run COOLER without it. Vehicle Fitment: 1965-1968 Chevrolet Bel Air; 1965-1968 Chevrolet Biscayne; 1967-1968 Chevrolet Camaro; 1966-1968 Chevrolet Caprice; 1965-1968 Chevrolet Chevelle ; 1965-1968 Chevrolet Find CHEVROLET 7. And run another -6 from the water pump to the drains in the bottom of the block. Come join the discussion about performance, modifications, classifieds, troubleshooting 1965-1974 C2 C3 Corvette Water Pump Bypass 90 Degree Hose 396 427 454 BB Very nice quality reproduction 1965-1974 C2 C3 Corvette Water Pump Bypass 90 Degree Hose. Joined Re: BBC Water Pump Bypass??? 08-31-03 02:58 PM - Post# 292338 In response to LarryU the t-stat bypass hose should be a moulded hose so it does not kink and block water flow where it bends. Sort By: Compare. Long water pump; there is not suppose to be a by-pass hose between the intake and water pump like the short water pump. 4882 60Ft 6. Events Water Pump Return Line on Big Block Chevy. This hand bypass hose goes from your intake down to the water Replacement slotted big block waterpump bypass hose fittings can be threaded into the water pump or intake manifold to provide heater hose or bypass hose attachment points. I am tired of fighting this. to plug the bypass hose on a BBC? The hose that goes from the front of the intake to the top of the water pump. You can also buy Cooling System Parts and More for Your 1989 CHEVROLET C3500 PICKUP at Reliably Low Prices. The stock accessories (power steering pump, alternator, etc. 7 KB Views: 558. Also run -6 from the water pump to the center of the head into stainless tubes that go between the exhaust valves. Polished water crossovers are designed to fit Chevy big block. Shop Now at the Guaranteed Lowest Price! JEGS Water Pump Bypass Hose for Select 1969-1974 Chevrolet Models [Big Block Chevy] Part Number: 555-79528. 29 Billet & Stainless Serpentine Belt Crossover for Mercury 454/502 Magnum MPI : This system uses a large 1" bypass hose for increased water volumeno tiny 5/8" stuff found here! Big Block Chevy Water Inlet Crossover Kit with Bypass: Hardin Marine Standard 1-1/4" Stainless Steel Water Inlet Crossover . The power steering pump bracket bolts to the water pump on the front and to the side of the 454 block on the left front side. I hope this video helps you. It is strangle that two bbc's run different with the exact same cooling systems. This is for the 454 crowd, Is the water pump bypass hose necessary? If it is, seems they are, on my truck the hose will be 3” long and the nipples are Reproduction of the original bypass hose for use with all 1965-68 Chevrolet models with 396, 402, 427, and 454 big block engines. From restoration to performance we offer the highest quality parts & accessories for your project. Cooling System Parts and More for Your 1970 CHEVROLET CHEVELLE at Reliably Low Prices. Sixity Auto Parts (539016) 98. The #1 Seller of Dayco Belts & Hoses on eBay. Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. No SS here! Proud owner of a 1971 Malibu 454. $24. Come join the discussion about Get the Best Performance with JEGS Water Pump Bypass Hose for 1958-1964 Chevrolet Full Size 348/409 ci 79523 parts at JEGS. Shop Now at the Guaranteed Lowest Price! JEGS Water Pump Bypass Hose for 1958-1964 Chevrolet Truck. Bypass Hose Coolant / Antifreeze - Vehicle Specific Coolant Bypass Pipe Engine Water Pump Includes Gasket; Flat Shaped Back Plate. $13. Part Number: OPG-B34H022. It seems to me that Weiand did not do homework on this combination. Steve 1956 Bel Air Sport Coupe 1956, and 1957 Chevy owners and enthusiasts. 65-00 Chevy, 70-00 GMC, 5/8" Hose End Size. (pretty sure my 59 is using a 5/8 for a bypass as with the Vintage Air all hoses are 5/8) 1965-1968 Chevelle brand new molded water pump bypass hose kit for your big block 396, 402, 427, or 454, engine. If I need a water pump for my 56 Chevy Do you have to use the bypass hose on the water pump for a bbc? What are the advantages or disadvantages of not? I built a 468 and currently the intake and water pump holes for the bypass hose are plugged. Replacement 5/8 Inch Short Bypass Heater Hose Fitting,Big Block Camaro made by Speedway Motors, for as low as $16. 4L/454 Parts and Accessories bypass hose KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Bypass Hose, Water Pump, Straight, Chevy, Big Block, Each. com: User Name: Remember Me? Now the reason the 1 7/8 is used is because of the heavy casting walls of the water pump the radiator side is like 1 5/8 or 1 3/4 on the lower hose. No more kinked bypass hose. Model 1008997 - 65-74 Water Pump Bypass Hose - 396 / 427 / 454 - This 1965-1974 Corvette water pump bypass hose has the correct 90 degree bend and is a direct replacement for your Big Block I. Chevelle Camaro El Camino Nova (fits 4 models) Product May Vary From Above Listed Image. I run a Stealth manifold on my 454 with a long Stewart pump and I used a 45* fitting on water pump with a curved hose and it works fine. Email I have a RPM Air gap on my 454 with a long style water pump. Chevy II, Acadian owners and enthusiasts. SBC VINTAGE PARTS (4691) 100% positive; Seller's other items Seller's other items; Contact seller; Some items are discontinued and hard to find. Product Reviews (No reviews yet) Write a Review Write a Review ×. Free 2-4 day Anyone using a Weiand Stealth Intake with a Long style BB Chevy Water Pump? I cannot get the bypass hose to line up in a way that it will not kink the rubber hose. Application List. Fast Online Catalog. Mopar guy building a Chevy. You can buy those thermostats with the holes. Estimated Ship Date: Today. Eckler's Nova offers this quality reproduction, Water Pump Bypass Hose, Molded Chevrolet's Mark IV big block 396/402/427/454 engine uses only the hose for its bypass system. Big Block 1969 - 1972 Camaro Big Block Water Pump Bypass Hose with 2 Clamps New big block water pump by-pass hose for your Camaro. Any small block engine, regardless of year, that uses Vortec heads, will require an external coolant bypass line from the intake manifold to the 5/8" hose nipple on the water pump (passenger’s side). 396/427/454 65-74 for your Corvette today. 1965-1974 Chevrolet Corvette Water Pump Bypass Hose. 1965-1974 Water Pump Bypass Hose For 396/427/454 Replacement; 1965-1974 Water Pump Cork Gaskets 3 Piece Set Big Block; Model 3022631 - Chevelle Water Pump Bypass Hose, Big Block, 1969-1972 - Reproduction Of Original 2 Correct Clamps Included Ribbed Hose With GM Markings This Chevelle reproduction bypass hose has been manufactured to Buy GM ACDelco 12558968 Original Equipment Thermal Bypass Hose Assembly: Bypass - Amazon. 1 compression 454 with elderbrock heads and air gap intake and it keeps me cool with no problems. That would sure help us who put new engines in old cars. Product Q&A View Now. Now 70-SS-454. On big block chevy is the coolant bypass hose neccesary?or is it only to help get a little heat for heater until thermostat opens?If it is only for the CorvetteForum - Chevrolet Corvette Forum Discussion; C3 Corvettes, 1968 - 1982; C3 Tech/Performance; Big Block heater hose/connections-help (Pics) Seems that the SB water pumps have this Dayco p/n 70647 (called cooling system bypass) Used on mine. 4L 454cid V8 > Cooling System > Bypass Hose. The 5/8 hose goes from the intake to the heater The 3/4 hose is the return going to the water pump or (in some cases) radiator. Amazon Affiliate Link to Bypass Hose: https://amzn. This handy bypass hose goes What size are the bypass hose fittings on the front of a big block? The short hose from the front of the intake to the water pump. Does anyone have a part number for the 90 degree bypass hose that goes from the pump to the manifold?And the supplier?Hopefully NAPA or other parts house. I did buy a coolflex hose made just 1965 - 1968 Chevelle or 1968 Nova Big Block Water Pump Bypass Hose Kit with GM Markings and Correct Wittek Clamps Correct molded Big Block bypass hose kit with two clamps for 65 - 68 Chevelle or 1968 Nova. Enter your search keyword. 2018 Chevrolet Colorado Toad Roadmaster Tow Setup 07-05-2016, 11:41 AM ktoutoor. 117. Its not necessary, but if you do get rid of it, make sure you have 2-3 small holes drilled in the thermostat you use. 8 cylinders. Constructed from stainless steel with tight radius bends to clear our cast aluminum timing chain covers. [SIZE=+1]another new best :yes: A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Water pump and intake manifold bypass pipe 396/427, steel press-in type except A. Use with 3/4" water pump by-pass hose. This was on my 1965 Chevelle BBC which has the long water pump and I had to use a 1970 F150 Ford Truck lower water pump hose as it had the 1 3/4 radiator side and 1 7/8 bump up for the water pump. I'm running the dual 10" fans on thermostat. Welcome to Northern Corvette! Toll Free: (844) 370-6888 Local: (289) 820-6888. 71 Chevelle SS 1965 Chevy Biscayne 460cid, 10:1cr, Brodix RRO 270, "Old School" 229/241, AED 950 HO, Air Can’t find part number for 454 waterpump bypass hose? Thread starter Username; Start date Apr 11, 2022; 1965-1968 Chevelle Big Block Water Pump Bypass Hose Kit Molded. 3/4 was the size hose for the bypass, but there is no reason why a 5/8 would not work. since the bypass hose forces hot water back into the water pump before it can go through the JEGS 90767 Water Pump Bypass Hose is OEM-style reproduction just like the original, it has the same angle, finish, and function to help complete your restoration. This 3/4" molded 90 degree 1965-1967,1968-1974 Corvette Water Pump Bypass Hose is a direct replacement for GM #3860302 or #1485552 used on 396, 427 and 454 1965-1974 Corvette Water Pump Bypass Hose 396/427 w/GM# Brand: Corvette Central. 87 1/4 ET I use a "standard" Chevy bypass hose that has been trimmed on one end. Free shipping on orders over $300, fast delivery & everyday low pricing! Order now! This is for the 454 crowd, Is the water pump bypass hose necessary? If it is, seems they are, on my truck the hose will be 3” long and the nipples are very close. 77 Trans Am: 467 BBC with CS HR, Brodix RR ovals, TH400, 3200 stall, 3:90 gear. ratio 10. Skip to main content. 99 $11. PART NUMBER: RAD-57 The previous owner had the holes in the water pump and intake plugged and I'd like to put a bypass back on. Advanced: Daily Deals; Brand Outlet; Gift Cards; Help & Contact; Sell; Watchlist Expand Chevy Forums FREE technical assistance for your restoration and repair. Brand New. Add to Cart. Joined Sep 5, 2010 Messages 8,890 Reaction score 10,907 ebasicpower. Exact fit for all 69 - 72 models with a big block engine; 396, 427, 454, etc. Shop by category. Factory-correct bypass hoses for use with big-block engines. 7138 posts · Joined 2013 Add to quote; Only show this user #1 · Mar 3, 2024. com Reactions: 454cid. CHEVROLET: 1970: CHEVELLE: 7. Features. 1965 malibu My bypass hose has been kinked for years, its not high pressure so it doesnt bother me and I have never had a problem. My thinking is it helps with warm up so maybe I can just send that hot water to the rad and Buy part #C-8866-41K Nipple Set, Bypass Hose Between Water Pump and Intake Manifold, Slotted, Concours reproduction for your classic vehicle from National Parts Depot. CHEVROLET > 1970 > CHEVELLE > 7. This water pump bypass hose from Eckler's Classic Chevy Trucks is the highest quality and is made just for your 327 CI setup. Close. . It is thicker and molded into the proper shape. This set will replace your worn, thinning or deteriorating original hose. Hoses are manufactured identical to OE and include correct clamps for a tight seal. Bypass Tube - 5/8 OD x 2 1/2 Long - Steel Straight Tube - Cut To Fit Daniel Carpenter 1965-66 Water Bypass Hose C2DZ-8597. You will find the fit and function will work superbly for your restoration. CHEVROLET: 1989: C3500 PICKUP: 7. Manufacturer Part Number : CPH-1672. Shop Now at the Guaranteed Lowest Price! JEGS Water Pump Bypass Hose for 1958-1964 Chevrolet Full Size 348/409 ci. 99 $12. Part Number: Shop 1965-1974 Chevrolet Corvette Water Pump Bypass Hose. Chevrolet: Corvette: 1965 - 1974: Specifications: Net Weight: 0. A. Impeller Material: Chevy And GMC Truck Water Pump Bypass Hose For 327, 1966 And 1968: Reason for Inquiry: * Your Name: * Email (This will not be displayed) Question: Ask Question. 29 SAVE $4. 71 be the first to write a review. Finding a bypass hose that doesn't pinch shut hasn't been fun. Estimated Ship Date: Oct 14, 2024 if ordered today. Each hose is manufactured to correct dimensions allowing an I have a healthy 454 without the bypass hose and temp wise it runs great. But if you get rid of the hose make sure you use a thermostat with 3 bypass holed drilled in it. Fits all Chevrolet vehicles with big block Chevrolet engine (396, 402, 427, 454). Anyone know the pipe thread size from the intake/water pump for the fittings that run to the heater core on a SBC? I'm thinking 3/4" but can't remember for sure. 60 valve lift. Hello, Sign In My Account. 70 1 left in stock 454/502 Magnum Circulating Pump Eliminator Crossover Kit. Come join the discussion about restorations, builds 1969-1974 All Chevrolet vehicles with 396, 402, 427, 454. Centerline Length (mm): 124mm. CHEVROLET > 1989 > C3500 PICKUP > 7. And, on the several BBC I've owned, the heater hoses run from the intake manifold to the heater core then from the core to the waterpump. Exact fit for all 69 - 72 models with a big block engine. 3 out of 5 stars 13 ratings. Buy It Now. This hose goes from the top of the circulating pump to the intake manifold. Some owners tried looping the hose in order to avoid a kink. " Uh, I don't have an external coolant bypass line as GM Plumb it in similar fashion to a big block Chevy 396 - 454 or small block MOPAR 318 - 360. ss396. Temp readings are normal during warm up. 1 Year Limited Warranty. 231/239, 0. BBC short water pump; intake and water pump connectors lined up, no problem. www. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain: 454 Intake to Water Pump Bypass Hose? Web 67-72chevytrucks. Key Specs. The 20 degree angle water pump fitting is supposed to be for 59-62 Corvette, the other fitting is supposed to be for 65-74 big block engines, and the bypass hose is A little bracket fabing and your done. Replaces Crusader: 7140240 AND 30178 Mercruiser: 32-805987 and 32 This small water pump bypass hose is notorious for ruptures and leaks. If the heater-hose This is a cast iron, long leg water pump; the same pump that is installed on the GM Performance Parts ZZ4 crate engine. We keep these in stock for coolant bypass hose from water pump 454v8 The 1973 On my 83 454 I used a preformed short hose which is the one for that location. have any question? Chevrolet: Camaro: 1968-Installation Time: Info Unavailable. Must be missing something again. bigblockmark Discussion starter. item 7 BIG BLOCK CHEVY BY PASS Hose Water Pump Bypass HOSE 396/427/454 BIG BLOCK CHEVY BY PASS Hose Water Pump Bypass HOSE 396/427/454. CAMARO NOVA CHEVELLE IMPALA CORVETTE 396 454 WATER PUMP BYPASS HOSE CLAMPS CLAMP | eBay This is a 1999 Gen VI 454 engine with serpentine belt setup, reverse rotation water pump. I paid about $16. 750") Hose between the SHORT BBC Water Pump and the Water Pumps; Thermostat Housings, Filler Necks & Water Restrictors; Catch Cans & Expansion Tanks; Fittings & Hose. Kit Includes (1) Thermostat Riser 1 Inch (2) SBC Thermostat Gaskets (4) Pipe Adapter Fittings3/8" pipe to straight -6 AN fittings (2) Push-On Hose End fittings-6 AN female to push-on hose barb adapter (2) 90 Degree Push-On Hose End Fittings90° Fuel Line Hose Connector (1) Socketless HoseNo hose clamp necessaryLow pressure design for use with The stock bypass and/or heater hose to the Water Pump are not used, and should be blocked off. K. Fits 1965-74 Big Block Corvette only (396, 427, 454 engines). Lifetime Warranty! CVF Racing Quality. 99 /each. , released (intentionally or negligently) into the world in 2019 (VOWL The upper alternator bracket bolts to the intake manifold with a double ended stud, and the water pump boss, and provides the alternator belt tensioning capability. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Big Block Chevy Electric Water Pump 396 427 454 EWP BBC High Volume Flow Chrome. These parts are in stock and ready to ship within one business day of payment. 6 and No. BB don't have the internal bypass so you need the hose from the WP to intake. I only have about 1. have any question? Chevrolet: Chevelle: 1965 1. The bypass hose you have to get a molded hose and cut it to fit. ) may have to be relocated in some cases to ensure clearance between belts, hoses, etc. com Hose Bypass For GM Big Block V8 Water Pump to Intake 32-805987 [CRU7140240] - Bypass Hose for a Big Block 454 502 7. Your Classic Car Parts Headquarters. Weird. Save Share 1972 Chevelle Convertible (Mohave Gold) SS optioned Malibu with 454 with M20 4speed, but Find CHEVROLET 7. I saw a post here about using a short water pump for a 67- 69 camaro that works on a big block. 4L 454cid V8: Cooling Find CHEVROLET 7. Thread starter wb292; Start date Feb 5, 2022; Larry Scott asks a question about the small bypass hose going from the front of the intake manifold to the water pump on a big-block Chevy. Shop By Brand; Buy One / Get One Specials; Have It Installed; Parts. 24. Fits 1969–1972 Chevrolet Chevelle, 1969–1972 Chevrolet El Camino, 1970–1972 Chevrolet Monte Carlo, , , , , . Sponsored. On a 454 BBC you have the hose that goes from the water pump to the inlet manifold (with an aluminium inlet manifold). We know 1965-1974 Heater Hose, water pump bypass (396, 427, & 454 engines) "stamped" 1956-1982 Adapter, speedometer cable 90 degree fitting. 6% positive; Seller's other items Seller's other items; 454 coolant bypass hose. 454 water hose routing. com. My 454 warms up to 180 cruising and even this past summer in 1965-1968 Chevrolet Big Block Water Pump Bypass Hose Kit Molded CPH-1658 Ground Up Part #: CPH-1658. 4 and 8. 097), 1965 65 1966 66 1967 67 1968 68 1969 69 1970 70 1971 71 and 1972 72 BBC, Big Block Chevy, (396 402 427 Nova Chevy II, Impala, Camaro, Chevelle, Corvette Big Block Water Pump Bypass 3/4", (. 1: Reviews: Write a Review * Your Name: * Email (This will not be Larry Scott asks a question about the small bypass hose going from the front of the intake manifold to the water pump on a big-block Chevy. Chevelle Water Pump Bypass Hose Nipple, Big Block, Thread-In, 1969-1972: Reason for Inquiry: * Your Name: * Email (This will not be displayed) Question: Ask Question. Free Shipping 454/502 Magnum Circulating Pump Eliminator Crossover Kit. In applications where the water pump belt drives IE :Water pump, into the block, down slightly, out of the block, back into the water pump. JEGS 90806 - Heater Hose Nipple Set for 1965-1972 Big Block Chevrolet Engines (1) JEGS 79523 - Water Pump Bypass Hose for 1958-1964 Chevrolet Full Size 348/409 ci (0) $11. Available for small-block or big-block engines, the nipples can be purchased individually or as a pair. 1 1/4"hose barb fitting with bypass. Custom Field. 99 SAVE $2. B/B Crossover 1 1/4 " hose barb with bypass. 3/4" hose id 1 5/8" length with 1/2" pipe thread. Our technicians have determined that the Eliminate your power robbing circulating pump! Big Block Chevy Water Inlet Crossover Kit with Bypass. Rating The Zips pump instructions indicate that this system needs a bypass setup to operate correctly. $16. Chevrolet Malibu (97-06) Equinox (05-09) Impala (00-05) Venture (97-05), Is the bypass hose from the manifold to the water pump needed on a BBC? What exactly is it supposed to do? Why does a BBC need it when a SBC doesn't? Personally I think the stock black bypass hose looks the best on a BBC. 8929 1/8 ET 99. Part #: 20338 Line: MBH 90 Day Limited Warranty. Click image to zoom. I'm running a 10. Maybe I'll do that with 3/8" hose or so. 70 Chevelle SS396 (496) Straub roller, TKX 5 speed A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Is it O. A forum community dedicated to BBC OEM water pump bypass hose to manifold. bypass hose. motortrend. Reproduction of the original bypass hose for use with all 1965-68 Chevrolet models with 396, 402, 427, and 454 big block engines. to/2F7H7XhThis process is very easy, and I've included a few small tips. Fits all 454 7. Thread starter wb292; Start date Feb 5, 2022; Fan clutch and I am running a Mildon 180 balanced sleeve Tstat. 1 : 1 Aluminum heads 077 rect Hyd Roller Voodoo 60212 Dur. Although most small-block Chevys have internal water pump bypass passages, the big-blocks do not, so in theory an external bypass hose is required. 08 rearend. I guess I can run the heater hose out of the intake if I can find the right What is a good pre-molded bypass hose that looks half way decent for a long water pump/BBC ? Big block - Air Gap manifold - long water pump with one of the hoses I listed above Attachments. MFG. Jump to Latest 2. Re: BBC water pump by-pass hose needed? 08-13-05 08:50 AM - Post# 756901 In response to r66ss I just noted that in the Bill Mitchell catalog all of their BBC motors (which they claim are pump gas street/strip) have no provision for a water pump bypass hose. Suggested routing is In that thread the discussion about this bypass hose was touched upon but I don't believe any conclusion was reached. 1953-1962 C1 Parts and Accessories. Has anyone used Russel fittings for this application ? (454) London Ontario Canada. 1969-1974 Idler Pulley Assembly, fan belt (427, & 454 engines with air conditioning) 1963-1982 Cylinder, power steering assist slave - Bypass hose I used braided line and aluminum fittings for my bypass hose. 1965-68 Big Block Bypass Hose. Senior Member . Coolant bypass hose connects intake to water pump. 030 bored, compr. Made from the same materials as the original. belair2door (81703) 99. In addition, using a reproduction bypass hose from Eckler's Chevelle will add authenticity and value to your Chevelle or 1 - 24 of 330 results for Bypass Hose Compare Filter/Refine. 2K views 7 replies 8 participants last post by 69427 Mar 8, 2024. The simplest plan would be for Chevrolet to make a water pump with two holes on top for this application. DIY-Easy. Instructions say to run a bypass hose from the water pump to intake. Thiskit represents one of the cleanest installations of a water inletcrossover system found anywhere. 4 8. Shop for the best Water Pump for your 1993 Chevrolet C1500 Pickup RWD, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Tire spin for half track . This item is proudly Made in the USA Installation difficulty: 2. Ron . What was the original purpose of the small 90 degree water hose that went from the top of the water pump to Start with the bypass hose specified for your vehicle--if that doesn't fit, you may have to get creative--possibly with an Oldsmobile V-8 hose. My 454 short aluminum water started leaking. Long water pumps place the fittings in a sort of "S" shape that can make a hose hard to find & fit. Loading <2004 Saved Vehicles. 396/427/454 - Auto Accessories of America at Top Flight Automotive. $119. Replace your damaged OEM bypass hoses with Dayco molded bypass hoses! Designed using knitted reinforcement and all-synthetic EPDM construction, they provide the high strength and resistance to Shop 1966 Chevy Chevelle Big Block Chevy Water Pumps and Components and get Free Shipping on orders over $149 at Speedway Motors. Every BBC with long water pump had a kink, some worst than others. . D. That means you warm up faster. Brake Lines & Brake Hoses; Brake Pads; Brake Rotor & Pad Kits; Caliper Covers; Rotors; Drivetrain Browse Categories in Drivetrain. 8% positive; Seller's other items Big Block Chevy Electric Water Pump; Thermostat Bypass Hose; Heater Hose Bypass Kit; Coolant Reservoir Hose; Hoses Coolant; Additional site navigation This Chevelle or Malibu reproduction bypass hose has been manufactured to original factory specifications using today's modern manufacturing techniques. Universal Details. When the thermostat is closed (warm-up) the water returns to the water pump via the bypass hose. Part Notes: Chevrolet: Chevelle: 1969-Chevrolet: Chevelle: 1970-Chevrolet: Chevelle: 1971-Chevrolet: Chevelle: 1972-Chevrolet: Chevelle: 1973- Shop for Water Pump Bypass Hose. Part # 84505 Nipples, Bypass, 1967-72 Chevrolet. This is on a 454 with a long water pump and RPM Air Gap intake. Example Chevy 454, 0. Someone must know . Short water pumps place the fittings 90 to each other. 10 Posi ALL THROTTLE,NO BOTTLE ACES#7540 A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Including 1485552 - GM - Big Block Chevy Coolant Bypass Hose. Opens in a new window or tab. Get To assist in keeping the rear cylinders running cool in high-performance engines, you can add a water bypass kit to the intake manifold. 4L/454 Parts and Accessories bypass hose KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! What's the secret to installing the intake manifold-to-water pump bypass hose on a BBC and making it look like it fits properly? I've repeated Reproduction of the original water pump bypass hose designed for use with various 1969-74 Chevrolet models with long water pump and 396, 400, 402, 427, 454 big block engines. 1965-1968 Chevrolet Chevy Water Pump Bypass Hose 327 / 350 - New (For: Chevrolet) Opens in a new window or tab. You can see it behind the fuel line. Part Number: 555-79523. I Model 1008997 - 65-74 Water Pump Bypass Hose - 396 / 427 / 454 - This 1965-1974 Corvette water pump bypass hose has the correct 90 degree bend and is a direct replacement for your Big Block I. Good Luck and hope that 454 livens up that dead indian 454 coolant bypass hose. The parts store wanted to sell me 5/8” heater hose. ok- we finally have a reasonable answer to this question. This is a brand new molded water pump bypass hose kit for your 1969-1973 Chevelle. You will receive 2 clamps. Related Products. I Find CHEVROLET 7. I have a good temp gage it it runs between 175* and 180*. Axles; Clutch Accessories; 1965-1967,1968-1974 Hose, Water Pump Bypass on Big Block. 4L/454 Chevy big block Mark IV Fittings & Hoses and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Brake Hoses, Sets (28) Water Pump, Electric, Port Adapter Flanges (17) Hose and Line Mounting Clamps (12) Check Valves, Vacuum (10) Show All. Condition: NEW. Water Pump Pulleys. Jump to Latest My coolant system has the following ports (all heater hose size: - water pump x 1 (outlet, my WP doesn't seem to have a suction port) - intake manifold x 2 The bypass from intake to water pump is "Any small block engine, regardless of year, that uses Vortec heads, will require an external coolant bypass line from the intake manifold to the 5/8" hose nipple on the water pump (passenger’s side). Hose End Fittings; Hose & Hard Line; AN Unions, Couplers & Reducer Fittings; Coolant Bypass Hose Filter Results. Feb 6, 2022 #14 454cid Sooper Pooper. Come join the discussion I only took 4 days over the weekend to get the parts via USPS priority mail. Also, a small block chevy has no bypass. 625-4453. yes I have deleted the bypass hose between the pump and intake, but this was done when I did the cam swap last year. Water Pump Bypass Hose w/Clamps, 1964-68 BBC (2) Sold in Quantity: Kit. 4L/454 Water Pumps, Electrical Nipple Inlet Hose Attachment and get Free Shipping on Orders Over $109 at Summit Racing! Electric, 300 Series, 55 gpm, 12 V, 12. Ask a question about. I'm thinking the idea of a smallish bypass is a sound one. The instructions state that if no heater is plumbed into the cooling system, then a bypass setup should be connected from the water pump heater hose connection, back to the water jacket outlet in the passenger side cylinder head between the No. Summit Racing SpeedCard - learn how to get 15% back up to $150 water pump bypass hose? Jump to Latest CROSSRAM 454/TH400/4. Updated Pic 1 Update Pic 2 Updated Pic 3. and 1970-1974 454. = 3/4 inch. Post 1969 - 1972 Chevelle Water Pump Bypass Hose, Big Block New big block water pump by-pass hose for your Chevelle. I bought the pump 6 months ago and now I am doing the finishing touches on the engine before firing it up for the first time. this is from 2 very reputable engine builders: the bypass hose is NOT necessary. Product Videos. Estimated Ship Date: Mar 17, 2025 if ordered today Get the Best Performance with JEGS Water Pump Bypass Hose for 1958-1964 Chevrolet Truck 79524 parts at JEGS. Part Number: MEZ-WP300SP. Water Pressure Gauges. I am guessing this returns water from the block back to the inlet side of the water pump, bypassing the thermostat? If "Chevy Water Pump Bypass Mod As a last resort on hot-running vehicles not equipped with a heater-water shut-off valve, restrict the small-block Chevy water pump bypass (arrow) by tapping it 1/8 NPT. The accessory drive belt no longer turns the water pump. Individual Fits all Chevrolet vehicles with big block Chevrolet engine (396, 402, 427, 454). Your Choice of Quality. Use with 3/4" hose. Seems to work Get the Best Performance with JEGS Water Pump Bypass Hose for Select 1969-1974 Chevrolet Models [Big Block Chevy] 79528 parts at JEGS. Apr 11, 2022 #5 Big Chip Full Access Member. No Vehicle Selected. Just asking for advice, have never dealt with the BB before and don't want to f**k something up. 35 1/8 MPH 10. 4L/454 Fittings & Plugs and get Free Shipping on Orders Over $109 at Summit Racing! Water Pump, Electric, Port Adapter Flanges (17) Transmission Line Adapter Fittings (11) Wire Harness and Washer Hose, Pair. Fits 65, 66, 67, and 68 BB Chevy Short Water Pump models. Suggested routing is from the 3/8 NPSF boss on intake manifold to the water pump. jpg. Always thought the best setup on a SBC would be feeding all the water to the center of the block and out of the 4 corners. Early 1965 through 1968 Mark IV engine with a "short" water pump uses a bypass hose with a 90-degree bend due to the short distance I like the look without the bypass hose. 2. 71 Chevelle BBC powered 71 C-10 454 with BBC 396-454 Water Pump Bypass Hose, 70647- Made in U. 00 Chevy 70 SS vert Discussion starter. Our technicians have determined that the installation difficulty 1967-1968 Camaro brand new molded water pump bypass hose kit for your big block 396, 402, 427, or 454, engine. MODS TO FOLLOW, EFI LIVE, BUILT TRANS, LBZ MP, LIFT PUMP SOLD 1972 chevy c10 07-02-2013, 10:47 PM #4: f. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Replace your old worn out hose with this brand new molded water pump bypass hose. 0 Reviews . Get the best deals for bbc water pump bypass hose at eBay. Get the Best Performance with JEGS Water Pump Bypass Hose for 1965-1968 Chevrolet Full Size [Big Block Chevy] 79530 parts at JEGS. Fits 1964–1972 Chevrolet Chevelle, 1964–1972 Chevrolet El Camino, 1978–1987 Chevrolet El Camino, 1978–1983 Chevrolet Malibu, Instructions say to run a bypass hose from the water pump to intake. THM 400 and 3. monroe. Free shipping. R. Part Dayco 70647 Cooling System Bypass Hose for Chevy Big Block Short Water Pump. From one of the intake fittings to the water pump inlet. 00 for mine and used a straight piece of heater hose. Comment. Tuff Stuff | 1976 Chevy Nova 2017 Harley Davidson XL1200 Sportster 2018 Nissan Versa Note Email Report 454cid Valued Contributor Posts: 3232 Age: 51 Loc: West Michigan They have a bypass hose at the water pump, so the Reproduction of the original water pump bypass hose designed for use with various 1969-74 Chevrolet models with lonfg water pump and 396, 427, 454 engines. neither builder uses it. 454, PP heads, dual 500cfm carbs and 'Vette manifioldsFirst time out. Page 1 of 2: 1: 2 > 83 Pace Arrow 454 alternator and water pump belt problem solutions: kartvines Anyone using a Weiand Stealth Intake with a Long style BB Chevy Water Pump? I cannot get the bypass hose to line up in a way that it will not kink the rubber hose. His explanation was that SB engines have an internal bypass so no hose. Featured. Shop Now at the Guaranteed Lowest Price! JEGS Water Pump Bypass Hose for 1965-1968 "Theoretically, a water pump bypass hose serves two functions: it promotes quicker warm-up on cold-start, and helps prevent water pump impellor cavitation. Model specific subject matter experts, classified ads and more. Manufacturer Part #: CPH-1658. Not Yet Reviewed. $19. The bypass hose as it has been referred as is an external 1/2" ID water line that runs from the top of the water pump to the front of the intake manifold. So that way you still have a functioning bypass, but without the hose. The highly polished 316L stainlesssteel construction locates all of the necessary hose connections in theperfect location for easy Find Parts and Accessories water pump bypass hose KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 15% back up to $150 Bypass Hose, Water Pump, Straight, Chevy, Big Block, Each. This set will replace your worn, thinning or deteriorating Find CHEVROLET 7. This kit comes complete with hose and clamps. [FONT=Arial, Helvetica, sans-serif][/FONT] 454 w/Brodix Ovals, TH400 w/10" ATI, 12 bolt with 4:11's 2013 ZL1 Camaro, Ashen Gray Metallic, 1 7/8 Kooks Headers, 10% OD Pulley Bypass Hose, Water Pump, 1969-72 Chevelle/El Camino. HERE IS A NEW WATER PUMP BY PASS HOSE FOR 396 402 427 454 CHEVY. 4L/454 Chevy big block Mark IV Parts and Accessories bypass hose KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! HERE IS A NEW WATER PUMP BY PASS HOSE FOR 396 402 427 454 CHEVY. Install a 1/8 NPT Allen-head pipe-plug, then drill a 1/4-inch hole in the plug to maintain some necessary bypass flow. 5" between the fans and the water pump but it works. 69 Malibu BSE 454/TH400 Best pass 7/4/06 1. 95. 5/8 or 3/4? Thanks. Fits 67 Camaro/Firebird, 68-72 Chevelle/El Camino/Grand Prix/Cutlass/442. 10-18-15 07:10 AM - Post# 2583263 In response to Airflow You're right, that hose is a bypass to allow some coolant circulation when the thermostat is closed. Registered User . Silicone 5/8s hose can be installed on 3/4 fittings with a little lube. com FREE DELIVERY possible on eligible purchases. Model: 3009676. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. This kit comes complete with hose and OE correct clamp. 25. Well I noticed the pump only had 1 hole on the back and that goes to the intake, my other one had 2 holes, one to the intake and one to the heater hose. 49. Get the best deals for 454 Water Pump Bypass Hose at eBay. Chevrolet: Chevelle: 1969 - 1972: * Rating: Comments: Submit Review. The only differences was the 396 used a high flow water pump and the 454 using a standard flow pump. 468 with Comp-292H,Ls7 heads,Power Plus intake,Holley 950 mech secondaries,TRW L2349. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Find CHEVROLET 7. (GM Part 3838094) This item is proudly Made in the USA Installation difficulty: 2. Add to Cart-5%. Join Date: Jul 2013 ACDelco 12558968 GM Original Equipment Thermal Bypass Hose Assembly Yes I be-leave all 4 mounting bolts had blind holes. We are Canada's best source for Corvette parts online! Water Pump Bypass Hose. tvtzc dvqaw fpws wbnfnr ihqyo lytxi xrqurdy szaudqg efkmmew etmyb