Best afr 265 bbc heads. zz502/427ci camAFR 265 CNC PortedEdl.

Best afr 265 bbc heads We recommend a high rise dual plane with the center notched. 25-inch stroker crank. Haven't had it to the track yet but the engine is an absolute torque monster. 7:1 with a 114cc chamber. 88'' one-piece stainless valves, 1. 8:1/T56/3. Molnar internal balanced rotating assembly. 50's and it has 195 AFR heads on his well built 383 SBC. 30 intake valve upgrade. It also serves as a classic example of not only how sometimes less really is more, but also Jan 2, 2010 · AFR’s smallest oval port head has a 265 cc intake port volume and flows up to 350 cfm – a whopping 30 percent more airflow through basically the same size port. 85-inch stroke. Cylinder Head Options: 3610-CNC Bowl Blend/109cc Chamber/Assembled/Hydraulic Roller. 08 gears, 28" tires, tight PTC converter, idles and drives great. Cam shaft I want to go with is a comp cams part # 11-450-8 specs of duration at . Oct 25, 2018 · 4. (confirmation please) Jan 30, 2020 · Hey guys this is my first post. The AFR BBC 345cc cylinder heads will work best with camshafts around the . I was gonna go with the brodix but after talking to a few engine builders they seemed to like the quality of afr better. Oil pan holds 6 quarts of 10-30 Valvoline, carb will be a 1000 CFM 4150 with a 1 inch open spacer. 060 over 454 with AFR 265 heads, with a 228/238 @ . 050 with 714-716 lift intake is the old weiand team g and 4150 style carp I was wondering if anyone Jul 18, 2012 · A common stroker displacement, our 496 was the result of combining a 0. Its a 4100# car with th400 and 3. 5 out of 5 stars. Yes, the ProMaxx heads are a copy, but so is just about every other head on the market. 710" Max lift, Pair of Heads AFR Heads, 3620 BBC AFR 265 Oval Port Heads, 109cc, Solid Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 109cc, 2. But I need to know if there is any other option. The phrase "having your cake and eating it too" would certainly be appropriate with their moderately sized intake runners producing AFR recommends the use of . 600", but exhaust valves are cut Nov 29, 2023 · Find CHEVROLET 7. Jun 4, 2023 · Guys, what does surprise me is that AFR selected to use a bigger, less street friendly head as there BBc China Ginny pig! A 335 sized head is a more serious engine combo that one would seem LESS inclined to sway to a cheaper off-shore casted head? I thought they might do something between the 265 and 290 as a cheaper "street" head. Jun 25, 2008 · C3 Tech/Performance - BBC Heads AFR vs Edelbrock - I'm considering various cylinder heads for a 496 BBC I'm building. s. 4 on the nose. General Recommendations for AFR Cylinder Heads: AFR Heads, 3600 BBC AFR 265 Oval Port Heads, As Cast, 109cc, Bare AFR BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 109cc, 2. And I also Jul 28, 2009 · How would a 265 head fair on a 10. Port heads away is a big laugher, then what does AFR make Sq. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power Hi all! I have the opportunity to buy a full 454 block casting number: 361959 with 336781 heads for about $600. I am under the impression the could be flat milled to down to about 102cc's. *69 SS 502 EFI /224-228* HR/9. 1 compression, Performer RPM air gap with a AED Cyl Heads, AFR Magnum "As-Cast", BBC, 265/132cc, Solid Roller, Assembled. 598 solid FT in a 4300 lb vehicle? Mostly street but will make a trip or two to track. They come standard with stainless steel 2. Would it support 6000-6500 rpm? Would I be better off with the 305? I really like the looks of the 265 head as far as numbers go. 73 rear gear. AFR 265cc BBC Oval Port Cylinder Solid Roller Springs - Air Flow Research 3620 - TREperformance. Just a good competition valve job and they would of done more than enough for me. 880 Exhaust Valve, CNC bowl blend, Partially CNC Chamber w/ Solid Roller Springs . 120" thick-wall pushrods. For a hydraulic roller engine of 450-600HP in an aluminum head is the ProMaxx 317 BBC head with Inconel exhaust valves for about $1700 per pair assembled. Best pass 8. For applications above these limits shaft mount rockers are typically advised. Lol Find AFR 265cc Oval Port Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. 050" Hyd Roller Cam10. 75 489 BBC 620hp/620tq w/ AFR 265 O ports Oct 15, 2019 · Sounds like you want oval port heads,,, look at AFR heads as a reference point to get the flow figures Vs runner size, then shop around brands with similar flow numbers NOTE: other brand heads will likely have much bigger runners to get the same flow except higher end Brodix and Spier heads. Dec 6, 2010 · Well I like the AFR head, all chambers for the big block are the same, the CNC'd ones have a liitle more room of coarse, but I ran into the problem a couple of years ago with JE and Wiseco, and I'm trying it again this year, and same problem,I thought this time I would try Mahle with the metric rings and a coated piston, I'm only using a 12cc Jun 17, 2024 · Find CHEVROLET 7. 080 over. Best Time: TBD Old Best: 408 big block / th350 / 4. After completing the initial 25-30 miles on engine with a couple of gentle 3500 rpm pulls, I drained the break in oil, replaced filter, added 6 quarts of 10w40, and pulled the valve covers to inspect the valve train. and thought I would use the same headers on the AFR heads. 0L/427 Chevy big block Mark IV AFR 265cc Oval Port Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. I am curious if the as cast AFR's are going to outperform Edelbrocks with all the porting work. Will this setup clear the steering box and will the collector clear the floorboard? Mar 19, 2014 · afr 290 heads with studs 496 BBC 10. PEANUT PORT VS ALUMINUM HEADS. What are your thoughts? Dec 5, 2020 · The foundry is a modern, high tech foundry that casts all sorts of different parts. The rectangular heads don't have a lot of pull below 3000 or so on a 427. The AFR 265 heads sound like a great option - my only concern would be header fitment with the raised exhaust port. Air Flow Research Magnum series heads are designed to increase low and mid-lift Air Flow, while still generating spectacular peak figures with a CNC bowl blend and that provides you with impressive flow numbers. Shorty plugs didn't help at all. are you ready to invest in a suited valvetrain to make the heavy BBC valvetrain reliably live up there? The 265 CNC head flows 335 CFM at . 600 @ the valve, 109 lobe separation. These heads are compatible with engines that operate up to 6200 RPM. 64 Chevy II, L92 6. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. I still don't think you can go wrong . AFR 265 Cylinder Head Install on a 454 BBC -Part #18 Chevy 454 Big Block Performance BuildNow it's time to install the AFR 265 cylinder heads. (6)both the intake and header design have a very pronounced effect on your effective head and runner flow rates, a tighter LSA can benefit from the more efficient flow during overlap Jan 30, 2010 · I would be insane to think my basic 2. Our BBC rotating assembly came from the experts at Scat Enterprises. 050 hyd billet roller, modified Summit 6 quart pan, 6 quarts of Valvoline 10/30, Melling M 77 OIL PUMP. Brodix race rite may be a good alternative here. The ProMaxx heads respond to the same things that any production head respond to; some attention to detail. If you'd have used a cam in the . 350" Also 2. I'm a fan of Manley and Ferrea for many applications but would enjoy hearing from the experts on what they have used successfully with AFR heads . 880 Exhaust Valve, CNC bowl blend, Full CNC Chamber w/ Hydraulic Roller Springs . RPM air gap 770 brawler carburetor 1inch open spacerSOR Feb 2, 2024 · AFR 265cc BBC Magnum Oval Cylinder Heads. These are great heads for a mild street / strip BBC. Part Number: AFR-3002 Estimated Ship Date: Monday 1/13/2025 Aug 23, 2016 · GMPP and Edelbrock heads are the same. 5 and 11 to 1 CR. 5:1 496 with 252°-260° @. 050 hyd roller, 111/106 . 6/1 AFR 265 ovals 112cc The best Carb recommended for a 496 is a 950 Holley. 596" exhaust lift, Morel hydraulic roller lifters, Comp Cams 1620-16 steel 1. 94" (Identical) AFR 4910 Intake All AFR big-block Chevy heads have water jackets that are compatible with Mark IV, Gen V, or Gen VI blocks when used with the appropriate head gaskets. Heard good things about the AFR heads and want to make sure I'll be happy with them after dropping over 2k. It comes with a 2. 375 raised exhaust ports will work with Doug’s D320 headers. 87 at 150. ” Finally, if you are looking for a closed-chamber head, you will need to use an OE cast-iron unit. Nobody makes an aftermarket closed-chamber head. He has a nice '67 Chevelle and it runs 11. 73 gears, and NT555 305/45R18s, and Ridetech suspension. Feb 22, 2024 · Don’t really want to tear into the bottom end from a time and money standpoint, was thinking of a set of AFR 265’s (109 cc) and a thin head gasket to get it up to 9::1 or so. original tranny & 12 bolt Now: 568 ci, Merlin Pro block Callies crank, Oliver rods AFR CNC 325, Nash 5 speed, 9'' Ford 35 spline locker Apr 25, 2009 · I like the Eddy heads, shoulda kept the ones I had rather than drop the money on new AFR's. I run a Crane Cams Locked HEI with there wires and the NGK 4091 plugs are always clean. i recently put together a 489" motor with the AFR 265 and a Sep 14, 2013 · So hard to say, you essentially have a 502/502 with a set of AFR 265's. Feb 11, 2014 · Up top, we went with a set of deceptively capable oval-port AFR cylinder heads. 85, 9. My 4 bolt block is currently at the machine shop. 540'' Bore, Fel Pro 375-1017 AFR 033-6850: Head Bolts & Studs Aug 1, 2011 · Thanks for the replies everyone! I had a feeling they were a good head, but have somehow really slipped under the radar. 31 Posi Youtube Channel. 790 lift. AFR's 335cc big block Chevrolet "Enforcer" series cylinder heads feature our permanent mold “As-Cast” technology surfaces on the intake runners, exhaust runners and combustion chambers which allow for extremely accurate and repeatable port location and performance. 880 Exhaust Valve, CNC bowl blend, Full CNC Chamber w/ Solid Roller Springs . AFR recommends the use of . AFR advertises the 4910 as the ultimate out of box match for their oval heads. Dec 23, 2024 · Before I order the parts I’m looking for confirmation that AFR 265cc heads with 0. 98 1. 00 of labor. Enthusiasts should immediately recognize that big-bore combination suggested a candidate for high-rpm use Jun 26, 2022 · to be frank, i think the rpm you need to make use of the difference between an afr head with CSA 265 versus 335 CSA with "only" 454 cui is well beyond 7000 rpm. DO WE REALLY NEED REC-PORT HEADS TO MAKE BBC POWER? CHECK OUT THIS TEST WHERE WE COMMPARED A SET OF FACTORY, IRON, REC-PORT (088) HEADS TO A SET OF AFR 265, TREperformance sells new AFR 265cc BBC Oval Port Magnum aluminum cylinder heads from Air Flow Research for almost any Chevy big block vehicle, this is for part # 3610. This would make a very impressive street cylinder head on a 396-468 cid engine. 578 Piston head volume is supposedly 6cc Gasket thickness can be Dec 7, 2024 · I just built a 489 using the AFR 265's and a Straub cam. 325" valves in AFR heads with 4. TREperformance sells new AFR 265cc BBC Oval Port Magnum aluminum cylinder heads from Air Flow Research for almost any Chevy big block vehicle, this is for part # 3620. Recommended for street, strip, or towing AFR Heads, 3610-1 BBC AFR 265 Oval Port Heads, 112cc, Hydraulic Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 112cc, 2. I know it's not that fast, I'm just stating a FACT. AFR 265cc BBC Oval Port Cylinder Heads Hydraulic Roller Springs - Air Flow Research 3610 - TREperformance. All depends on the camshaft you go with. 75 I had small heads on my bbc only to have the block crack within 3 months. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend. These heads are built to improve your ride’s airflow through the use of partial CNC-ported intake, exhaust, and combustion chambers. They seem to be the ultimate for flow vs port size on the medium power range street Dec 20, 2011 · AFR 265, one very trick head, sure you have to deal with the exhaust, but its so much better than the rest, not only in performance but quality as well. Just to put it into perspective its 2700. Rocker Stud Torque: 55 Ft. May 1, 2015 · Displacement for the 460 Ford came courtesy of a 4. 90/ 4000lbs RW 11. AFR Heads, 3600-1 BBC AFR 265 Oval Port Heads, As Cast, Bare AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 112cc ,2. Jan 7, 2023 · Engine is a 496 bbc, AFR 265 cc heads V2 (p/n 3610-1), Comp Cams hydraulic roller w/ . It also serves as a classic example of not only how sometimes less really is more, but also I found this info posted on a different site, its power curve is rather impressive for a 468 CID big block with 10:1 compression and a fairly mild cam a . I too was surprised at the relatively low 32 degree timing, but that's what it liked the best as the builder moved things around (timing/jetting) over nine separate pulls. 190 Intake 1. 6 compression pistons. BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm. Save Share Jan 18, 2018 · Other than very high-end race heads, most big-block Chevy heads have chambers around 119 to 120cc, so the choice is more one of piston design for street/strip engines. It's being built as a hipo street engine. i also ran a set of afr 265 bbc Aug 18, 2019 · So now I am looking for piston recommendations for use with AFR 265 heads. 300'' intake right now I had planned for AFR 265 ovals with Chris Straub cam and full fixings, but now I could even put domed pistons in and have the engine refreshed for the 781 heads. 750+ gross valve lift mark to make better use of the substantial airflow found in the higher lift range. This head flows 385cfm @. TREperformance sells new AFR 265cc BBC Oval Port Magnum aluminum cylinder heads from Air Flow Research for almost any Chevy big block vehicle, this is for part # 3610-1. For a 540 I'd look at the Pro Maxx 317 for a budget head with a 2. 055 head gasket to be around 11. 549 lift, 10. The #4 plug was hitting the #2 exhaust tube. 70's@113mph with those heads on my 454. 55’s, 10” converter in a 71 El Camino. I am trying to talk him into some upgrades, and I am thinking going to a 100cc head might be the best bang-for-the-buck. Its going in Aug 5, 2010 · Compression for the AFR head test was 10. 750'' (3/4'') thick cylinder head deck, reinforced rocker stud bosses, premium one-piece stainless steel 2. So, before the head change, I was using Hooker Super Comp Headers 1 7/8 in. Feb 14, 2017 · modern heads (probably AFR 265cc), new modern cam, pistons with less dome and smaller headers The car is a manual trans 70, NOT a daily driver but rather a street/strip fun toy. Very low CR. PM WOLFPLACE re: the AFRs & advice on how best to accomplish a tight quench & a pump-gas Comp ratio. The upgrades are almost too numerous to list, so we'll take a look at the as-cast, CNC bowl-blended, aluminum Magnum 325cc intake port head. Anyone have actual dyno results of there 496 with 290cc heads. My opinion That combo would have been the same or better with the 265's w/CNC chamber option given the intake was box stock & a huge bottleneck to the thing & the cam was somewhat of a compromise for driveability because this was for a street car. These budget-friendly heads are perfect for your 509 Jun 26, 2009 · Engine is a 496 bbc, AFR 265 cc heads V2 (p/n 3610-1), Comp Cams hydraulic roller w/ . Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. Air Flow Research's "Budget Friendly" cylinder heads. 1971 Chevelle SS454, T56 Magnum 6 speed, 3. com Jul 26, 2013 · I am planning on upgrading the engine in my 71 with AFR 265 heads. I have the AFR 265 heads with 112cc chambers and plan on SRP pistons and shooting between 10. I also tried different intakes to see how they compare wi Nov 5, 2021 · How much more power will the AFR 265s make over the Brodix heads on a 468 bbc with correctly matched camshaft? 1971 Chevelle SS454, T56 Magnum 6 speed, 3. 55-3. Are there any options for headers out there other than Lemons? I wish I had an extra $2100 for headers (Headers 1400, coating 400, Nippedenso starter 220) because I hear they are great. Apr 21, 2015 · This test of the AFR 265 oval-port heads is a perfect example of application-specific cylinder heads. Find AFR 325cc Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Are you looking for big torque and horsepower numbers? AFR's 325cc Magnum big block Chevy line of medium-volume intake runners will provide you with exactly that. Without the lift to support the flow rates on those heads, I'd guess you only picked up maybe 25-30hp over a stock ZZ502. An 850HP would be our choice with a good set of 1 ¾” headers. 4L/454 AFR 265cc Oval Port Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. Any experience with the raised exh port of these heads, and which headers fit the best? May 23, 2011 · Looking for more power via a new top end on my 396. 36-inch bore and 3. 050 is 232 - 232 Valve lift is . 400 intake valves and 1. 2K views 24 replies 14 participants last post by CDN SS Mar 25, 2023 Feb 6, 2014 · '69 camaro, was orig SS 396 car. I ran like 11. Wondering if the 290cc will be worth the money for a street car besides bragging about hp. 600" bore, valve seats are not big enough for 2. Incremental changes + the AFR heads = massive increase in power, those new 290cc heads really kick ass!! I didn’t think it would go as high as it did, even allowing for variation in days & the dyno. 4 compression, with a Mahle piston. Sep 8, 2021 · I am picking up my engine from the machine shop this weekend and I went with afr 265 heads . . Exhaust Port Gasket : AFR 033-6858: Head Gasket : 4. 578. If you compared the AFR 265 oval to the 305 rect head Mar 20, 2023 · Dyno Results, BBC 489 with STraub Solid Roller and AFR265 Heads Jump to Latest 5. If you’ve got the displacement AFR’s head can feed it with an intake port that flirts with 440 CFM at a usable lift-point, and enough complimenting Mar 5, 2013 · We know from our calculations that 800 hp was getting near the limit of the head flow offered by the AFR 300 Magnum heads, but the culprit was more likely the as-cast 454-O intake manifold. Jun 18, 2019 · converting my 72 to a 454 bbc with afr 265 heads. How did you get the 049 BBC oval port head chamber down to 107 CC? Doing a build with AFR 265,s. Lbs. Jan 25, 2023 · Afr 265’s. The 345cc come standard with AFR's trademark . My cylinder head choices are currently RHS Pro Action heads or Edelbrock Victor Jr. I was thinking of splurging on a set of AFR 265's, but I would have to change everything including my intake which of course just increases the out flow of cash. AFR heads are a great head but to say that their 265 head will blow Sq. 600 lift. AFR's 265cc Magnum "As Cast" Oval Port heads are the preferred choice over reworked factory heads. Aug 22, 2015 · IF Any street use? I use the NGK 4091 best plug for any engine with pop ups and any street time in traffic. Port heads? Aug 4, 2022 · HOW MUCH POWER DOES A PEANUT PORT BBC HEAD MAKE? HOW MUCH MORE POWER DOES A REC-PORT BBC HEAD MAKE? CAN PORTED OVAL PORT HEADS MAKE MORE THAN STOCK REC PORT Sep 4, 2012 · Current aftermarket oval-port heads (like the AFR 265s tested here) not only match or exceed the flow offered by a set of stock rectangular-port heads, they do so with considerably less port Oct 7, 2012 · The AFR 290 heads certainly look good on paper and even better on the dyno. Jan 27, 2024 · Sharing a surprising combination,454 ho short block9. 880 Exhaust Valve, CNC bowl blend, Partially CNC Chamber w/ Hydraulic Roller Springs . I'v put a 3680 lb 1st gen Camaro with a 4-spd, baby roller cam , Pump Gas 11:60 et. com Mar 1, 2006 · Like, which is better, Pepsi or Coke? 310 is smallest BBC in Canfield's line (Rect) 305 As Cast/315 CNC'd smallest in AFR's Rect line; 265 As Cast/290 CNC's Oval line AFR 3610 - 265 BBC "As Cast" Oval Port Magnum Heads. Nov 14, 2011 · Its obvious you don't know what these heads can & have done. Dec 11, 2009 · I would think that any of the heads would be good ones, but for street, if you don't have a 4000 stall, the smaller runner ovals would be the best bet, and the AFR especially since as Mike had tested it is a nice improvement over the Brodix RR head (although that is also an excellent head). I am also going to 1 3/4" or 1 7/8" headers from the 2 1/8" it has now. 350" in Dart 365 CNC heads on 4. Mar 1, 2014 · If this is going to be a car driven a lot, with 3. 5-1 compression with a pancake torque curve. Nov 11, 2024 · I decided to a buy the AFR 4910 intake for my 502BBC with 265 AFR heads. so enough for 670hp. 050 solid roller, AFR heads, ported air gap intake, 1000 HP carb with a 1 inch spacer, 2 inch headers, horrible 3 inch magnaflow mufflers Get the best deals for Bbc Afr Heads 265 at eBay. 880 Exhaust Valve, As Cast with out Parts (Bare), CNC Chambers and Bowl Blend Cyl Heads, AFR Magnum "As-Cast", BBC, 265/132cc, Hydraulic Roller, Assembled. looking for 1 7/8 or 2 inch AFR Big Block Chevrolet "Enforcer" 335cc Rectangle Port Heads. AFR's 345cc BBC cylinder head is recommended for radical street/strip, "Pro Street," or racing applications with displacements up to 572 cubic inches, operating at or below 7000 RPM. AFR heads, on the other hand, are cast by Edelbrock but are machined using a AFR's own CNC tooling. 050 . Would the 265 choke the top end too much? Would a combo like this spin to say 5800-6000rpm? AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. The heads feature a modest port volume of just 265 cc, but these fully CNC-ported castings have the airflow to support healthy output. HOW TO MAKE BBC POWER. I share the results from them. Jump to Latest I'd say the AFR 265, Racerite ovals or the Edelbrock Performer/RPM series. Dec 2, 2016 · Your best bet is the Brodix with the 119cc chamber. The current pistons that are in the block are Part # 1448HC that are . Dec 23, 2024 · Find a set of good used peanut port heads, you will not believe how well they work and can pull 6K, and make more low end torque then a lot of other BBC heads. works great w/them. 190 valved 049-781 will run with that CNC ported AFR head, because Im sure it will not! Its getting hard looking at those greasy GM head castings every week knowing how much work its going to take to turn them into a head capable of making 800 plus HP. The A356 aluminum castings are matched with other high-quality components to ensure a lightweight construction that handles heat with ease. com. 050, lift . 0, 57mm S200s, AWD with Syclone/Astro transfer case Apr 21, 2015 · This test of the AFR 265 oval-port heads is a perfect example of application-specific cylinder heads. Jump to Latest The 290 is a bigger ported version of the 265 with a bigger valve . Cam is a roller 242/640 intake, 246/650 exh. AFR 265cc BBC Magnum As-Cast Heads . 31 gears you will be happier with oval port heads. 725" Max lift (Pair) 1 day ago · AFR 265cc Oval Port Magnum BBC Cylinder Heads AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. zz502/427ci camAFR 265 CNC PortedEdl. outside your budget, but I'd get AFR 265 or Brodix RR270's. But there Mar 17, 2013 · 9. 7-10. 26-60', 5. I have my old set of 236 peanut port heads you can have for a good deal, but the shipping is usually the deal killer. Intake Port Gasket: Fel-Pro 375-1212 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. 212 60 Afr 265 head will work on a 496 but the head is a little on the small side to feed it above 6500 rpm. Jan 13, 2012 · For my situation, I have 063's that are flat milled down to 91cc and the AFR's would be a big improvement over the old closed chamber heads and not lose any compression. Recommended for street Jul 14, 2021 · A fellow racer across from me and I were talking as he was all impressed with the heads I ran. My current pistons are 60 over flat tops so compression with stock rods is pretty garbage. aluminum should use closed cooling but if a lot of freshwater use or good flushing after use aluminum will be fine. Supplying the air is an Edelbrock Performer RPM Air-Gap intake manifold fed by a Holley 950 Ultra HP 4150-series carburetor. 060-inch overbore with a 4. Afr 290’s if you go the 496 route. 710" Max lift, Pair of Heads Aug 6, 2022 · do the afr 265 bbc heads work well? how much power can afr heads make? can the small afr 265 (oval-port) bbc heads make more power than the big rec port heads? check out this test where i ran a set of peanut port heads, a set of rec-port heads and a set of ported oval-port (049) heads on the same 468 test motor. 8, the iron headed engine sported 10. The AFR's are going to run hundreds more and need to be milled to keep a decent CR. Your camshaft choice & your C. com AFR Heads, 3620-1 BBC AFR 265 Oval Port Heads, 112cc, Solid Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 112cc, 2. 630-650" lift range, 600 hp minimum, even with a bad tune. Mar 6, 2016 · In the process of building a 496 with AFR 265 heads and a Performer RPM intake, comes in around 10. Nov 11, 2010 · KC asked me to post the results for his pump gas 496 with the AFR 265cc CNC chamber heads, Chris Straub hybrid solid roller, Victor Jr & Pro Systems SV1 Not too shabby for a set of poor little 265cc oval heads RIGHT OUT OF THE BOX, ABSOLUTELY NO EXTRA WORK Oct 2, 2008 · Magnum 325cc BBC Cylinder Head AFR's Magnum heads are available with a variety of upgrades, ranging from intake port sizes starting at 305 cc all the way to 357 cc. When you take the time to build an engine and spend the money, get the best heads you can, and thats an AFR 265. 8 compression 496 with a 248 @ . Mike Lewis would be the place to buy either head. It’ll make gobs of torque. 94" RPM Air Gap, port height ---1. There on my 540 with AFR 325 heads 1150 holley and super victor with solid roller, plenty of street and highway miles. My combo is a 489 , 10. I have been told that AFR 305's fully ported are the best choice, but at $3400, they are out of the budget. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. in. I currently have a set of Edelbrock Performer RPM Rect port heads on the shelf I am considering using. Jun 29, 2017 · Aluminum heads for a 396 bbc. Jul 18, 2018 · Hi Guys , i'm building a 632 BBC conventional headed BBC for a customer, it will be pump gas and hydraulic roller cam and will be using stud mounted rockers, i'm tossing up between an AFR 385 cyl head and a Brodix BB3 Xtra O 365cc cnc ported head, the Brodix is a lot more expensive but whats everyone's opinion on which head would work better, is the extra money really going to give me any gains ? Jan 6, 2012 · Im going to be installing some AFR 265 heads soon. Sep 26, 2017 · Hydraulic roller cam (. Nov 16, 2011 · I am actually waiting on a qoute for the AFR 265's. Jan 2, 2019 · Forget the AFR 300's. 5/124mph -with a "top fuel" timing curve - sold Sep 6, 2024 · AFR 265cc BBC Magnum Oval Cylinder Heads. 5:1 Compression91 Pump Gas695 HP684 Torque\ Dec 23, 2023 · I am building a street only 70 Chevelle that will have a TKX, 3. AFR 265cc BBC Oval Port Cylinder Heads CNC Chambers Hydraulic Roller Springs - Air Flow Research 3610-1 - TREperformance. The quality is what I care about and am willing to put my name behind. :yes: 70 Chevelle - 3300# NA 517, 1. AFR’s new 457cc 18° Big Block Chevy cylinder heads are our best performing highest-flowing heads in our BB Chevy lineup. I'm not saying there aren't NEWER better heads out there, but I am speaking from using them. Jul 12, 2013 · Vortecpro 496" Big Block Chevy VortecPro / AFR 265 Heads238@. 9. 5 to 1 compression custom solid roller cam 260-270 @. 550'' double springs, 10-degree locks and retainers, and high quality studs and guideplates all come as standard Jun 28, 2018 · I have the exact same Howards cam in my 454 with AFR 265 heads but 111 instead of 108. As far as I am aware, their castings also share the same CNC tooling program with exception of the end logos and maybe a few other minor superficial details. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. The cam is a hyd roller with around a duration of 240s @ . If you're OK with an oval I'd look at the Brodix 24* BP RR BB-3 XTRA O. i know people say lemons are the go but they are far to big for a street car. For the record here are some of the measurements compared to an Edelbrock RPM Air gap 7516: AFR 4910 Intake, port height --- 1. com Aug 29, 2024 · I got AFR 265 heads on my 396. Composed of A356 aluminum castings with partially CNC ported intake runners, exhaust runners, and 1 day ago · AFR 335cc Enforcer BBC Cylinder Heads 3002 AFR-3002. 625 lift, 250 ish duration) in a 3600# vehicle. 4L/454 Chevy big block Gen VI AFR 265cc Oval Port Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. 250 Mahle 10. Premium hardware such as 2. Big Block Chevy 265cc Oval Port 24° Magnum Street Head Specifications: Head Torque w/Moly Lube: 75 Ft. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. For ideal geometry and wipe pattern AFR strongly recommends AFR stud mount rockers part #6043 for applications below 7400 RPM and . Going in a mostly street (80%) and some strip (20%) 71 chevelle with th400 and 3:42 gears. Maybe peak power will be around 5900-6200 rpm. If you’re staying with the 4” stroke. I've seen some awesome info on the 265cc afr heads from vortexpro. This will be a 100% street car; 3. You need all you can get lugging that behemoth around. General Recommendations for AFR Cylinder Heads: TREperformance sells new AFR 265cc BBC Oval Port Magnum aluminum cylinder heads from Air Flow Research for almost any Chevy big block vehicle, this is for part # 3620-1. Nov 1, 2020 · The AFR 335 CNC heads are going to the shop this week and I plan on replacing the Karvalve (Made in India) valves that AFR supplied with something else. AFR 265cc BBC Oval Port Cylinder Heads CNC Chamber Solid Roller Springs - Air Flow Research 3620-1 - TREperformance. AFR offers two versions of oval port heads: 265-cc as-cast intake runners or CNC ported with 290-cc runners. 2:1 , afr 265 , straub 243,610,109lsa , rpm air gap , prosystems 1000 Mar 4, 2012 · Those AFR's 265's come with a 107cc Chamber IIRC, and they flow really well, especially the CNC'd ones. 238/248/ 578/608/110 Hyd roller on a billet, Modified AFR 265 heads, modified Performer air gap intake, 1 inch Jul 12, 2011 · Also, Tony at AFR clearly did great on the design of these heads. 11 Jan 14, 2018 · 1. 3 to 1 cr. DO CHEAP ALUMINUM BBC HEADS WORK? HOW MUCH POWER DO SPEEDMASTER BBC HEADS MAKE? CAN THE AFR 265 HEADS M Jun 22, 2011 · As you can see most of the new combo is the same bar a few incremental improvements & the AFR290cc heads. 600 lift with a 317cc port! 2. 427 BBC AFD, Enderle MFI by Spud Miller T400, Dynamic Sep 1, 2009 · AFR has released an all new 375 cc Magnum Series BBC head, the largest and highest flowing BBC product in its line-up with flow numbers that are closer to 18 degree Pro-stock style heads. Thanks Cylinder Heads, 377cc Magnum BBC Competition Racing Heads, Aluminum, Bare, 121cc Chamber, 377cc Intake, Round Exhaust Port, Chevrolet, Big Block, Pair Part Number: AFR-3575 Not Yet Reviewed Sep 7, 2023 · Which AFR head. Nov 26, 2013 · I have a bbc 489 im building it has eagle forged crank scat h beam rods & je 43cc dome pistions I am putting the afr 325cc heads with 121cc open champer with . Jul 12, 2011 · (5) on a 468-496 bbc a 290cc oval port heads fine on a 540 Id be inclined to select a 315-335 cc port head,. 7 roller rockers, ARP 7/16" studs w/ 2" installed height (p/n 235-7202, they came with the heads). 880 Exhaust Valve, As Cast with out Parts (Bare), CNC Bowl Blended AFR 265 BBC Heads In this Chevy 454 Engine Build, the bottom end is pretty much together and so its time to take a look at the top end of this engineh I review an AFR 265 BBC head and flow it on my flowbench and share the numbers. 06 best mph 147. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Dec 6, 2022 · Finally got the new 502 BBC build w/AFR 265 heads and HR cam on the road! The longest 8 months ever but very happy. With the Hookers, I ran into spark plug clearance issues on the #4 plug. I have peanut ports on my current motor and had been making plans to go with afr 265 ovals down the road with a Straub cam setup. I'm building a 496 right now and it's for a 71. 310 X 4. maybe even 8000. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend; this torque monster is capable of flowing 354 CFM at 0. I know they have raised exhaust ports at . 250, 10. 725" Max lift With AFR's trademark 3/4'' deck, reinforced rocker stud bosses, and thick rugged castings, you can own the strongest and most efficient heads on the market today. Composed of A356 aluminum castings with partially CNC ported intake runners, exhaust runners, and combustion I dyno tested a set of AFR 265, Brodix RR270, and Promaxx 290 heads. I. 19''/1. Left a lot of power on the table with that cam though. I’ve personally seen those afr 265s make 600hp on the dyno with a mush roller cam and 10. Actually I would be at 10. 30 intake valve, you can get a 115 or 119cc chamber, killer flow numbers and will work with a typical oval port intake, unlike the AFR. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power Find AFR 335cc Enforcer BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. 800 exhaust valves. Figuring on Find CHEVROLET 7. 347". Cylinder Heads All Cylinder Heads Big Block Chevrolet Air Flow Research Big Block Ford 390-428 Mar 9, 2016 · afr 265 headed 496 build Post by vortecpro » Wed Mar 09, 2016 1:18 am 4. The RHS heads are 320 CC heads but look suspiciously like a ProMaxx head. 31 Posi Some bbc alu AFR's 3001 335cc BBC Enforcer Cylinder heads feature AFR Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Jul 28, 2010 · This engine is a 10. 578" intake and . Sep 16, 2010 · As title states, is the AFR 265 head too small for a pure 100% street grunt motor? My idea for this motor would be: AFR 265 496 ~10:1-10. Oct 28, 2012 · The 265 AFR head adds the most value for the dollar. Mar 29, 2012 · So they are saying their Musclesmaxx 1-5/8" primaries will fit the AFR 195 head exhaust ports? I have the same heads and were considering their 1-3/4" primary headers eventhough I think the 1-7/8" step further down may be a bit much for a 350 small block and wish they were 1-3/4" all the way to the collector. AFR Heads, 3610 BBC AFR 265cc Oval Port Heads, 109cc, Hydraulic Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 109cc, 2. My Dad has a '69 265 hp 396 with the '148' larger chamber heads, and a set of rebuilder cast pistons in an undecked block. General Recommendations for AFR Cylinder Heads: Nov 25, 2023 · I have 2. 5 compression, Mahle power pack pistons, worked AFR 265 heads, Performer RPM air gap intake, 1000 cfm Holley carb, 248 @ . 5:1 compression 230ish HYD RLR TH400 3. 26 - 143 at Vegas Nov 13, 2006 · Engine Mods - Any Experiences on New AFR BBC Heads? - Anyone have experiences on the new AFR Big Block Chevy cylinder heads? My brother is looking at them seriously for his 427 (now 461) Capricesspecifically the 315 CC models. Find AFR 265cc Oval Port Magnum BBC Cylinder Heads 112 Combustion Chamber Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. I can't wait to get it to the track to try it out, but it'll be a while as I've got to finish the install. Feb 27, 2019 · Get the best heads you can afford IMO. 650" lift. Should the heads need milling, no one is more capable than Mike. Love to get some feedback from someone running these heads on a 396. looking to see what people are using for headers and how much modification they required to fit. gbmorc qpjljm lbji cpltvx xgj qcae yzooxx uilh wuapb moilt