Afr 265 bbc heads specs. It's being built as a hipo street engine.

Afr 265 bbc heads specs When I asked my head porter about that he chuckled and said AFR certainly does NOT have a lock on that one -- he's seen it from virtually every head supplier, including Dart. The #4 plug was hitting the #2 exhaust tube. 600-. 750'' (3/4'') thick cylinder head deck, reinforced rocker stud bosses, premium one-piece stainless steel 2. Nov 16, 2011 · I am actually waiting on a qoute for the AFR 265's. It would only make sense if I ran this engine to 7K rpm, and it rarely runs above 5K, 5200 at most. 8:1/T56/3. The question will be with the small bore. Performance. 19/1. I always was under impression they were approx 118cc's. port heads do not hit the big pistons. I also tried different intakes to see how they compare wi 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. maybe even 8000. Jan 6, 2012 · Im going to be installing some AFR 265 heads soon. Yes, the ProMaxx heads are a copy, but so is just about every other head on the market. He has a nice '67 Chevelle and it runs 11. Feb 17, 2013 · Just a quick question, I have seenlisting for 049 & 781 heads listed with specs of 113cc's to 122cc's ( not in adds ) just would like to know what the heads realy are bone stock from GM. I have the AFR 265 heads with 112cc chambers and plan on SRP pistons and shooting between 10. 880 Exhaust Valve, As Cast with out Parts (Bare), CNC Chambers and Bowl Blend 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. 5:1 compression 230ish HYD RLR TH400 3. Thank you! Ron - I am also curious how this will all come together. Hell I am even considering the AFR 265's, they outflow the Brodix RR. The AFR's will flow considerably better than the stock 290's. To make it carry you need to add lobe to it but this is not condusive to a street car. Love to get some feedback from someone running these heads on a 396. Aug 5, 2010 · Cam specs and timing, head part number, etc. how to make bbc power. do cheap aluminum bbc heads work? how much power do speedmaster bbc heads make? can the afr 265 heads m Apr 25, 2009 · I like the Eddy heads, shoulda kept the ones I had rather than drop the money on new AFR's. An 850HP would be our choice with a good set of 1 ¾” headers. in. 500 . Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. If you’re staying with the 4” stroke. Lol 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 #6810 gaskets Fel-Pro #1205 should be used on the 195 street heads, the 195 competition PKG heads use AFR #6820 Fel-Pro #1206. 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 . I know that the race rites have the exhaust ports in the stock locations. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. The 345cc come standard with AFR's trademark . Aug 23, 2016 · My old 110cc 60459s (BBC Performer RPM) had 12:1 with a 34cc dome with ROSS Pistons' Edelbrock specific domes and this required 40° total advance. Nov 13, 2006 · Well for me, I didn't know they'd require grinding to clear pushrods. They are flat milled to 102 cc. com AFR BBC 345cc cylinder heads will work best with camshafts around the . Jul 14, 2021 · A fellow racer across from me and I were talking as he was all impressed with the heads I ran. Wondering if the 290cc will be worth the money for a street car besides bragging about hp. 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. 578" intake and . Apr 21, 2015 · This test of the AFR 265 oval-port heads is a perfect example of application-specific cylinder heads. 630-650" lift range, 600 hp minimum, even with a bad tune. 310 X 4. 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. 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. Went to Straub rockers, as well as 135-7202 studs on the intakes only. so enough for 670hp. Jun 25, 2008 · C3 Tech/Performance - BBC Heads AFR vs Edelbrock - I'm considering various cylinder heads for a 496 BBC I'm building. 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. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption Jul 12, 2011 · 496 BBC (AFR 265's, Straub Hyd Roller, Callies/SRP rotator, Eddy Air-Gap, AED 850) GM Block, AFR 290 Heads, Callies Crank and H beam rods Chris Straub HR Mar 4, 2016 · That'd be about half way to a set of AFR 265'sso just as well save up or invest in something that'll get me where i want to be. 550 in. Fig. 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 AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. BR 195cc/65cc (L98) Angle Plug, Assembled, PairBR Emissions legal heads featuring CNC ported intake runners, 100% CNC ported 64cc exhaust runners. With the Hookers, I ran into spark plug clearance issues on the #4 plug. and thought I would use the same headers on the AFR heads. were 70# on the long bolts and 60# on the shorts 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 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. Int 154 218 278 323 347 354 AFR's 325cc 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. 190 Intake 1. com Aug 18, 2019 · So now I am looking for piston recommendations for use with AFR 265 heads. For the record here are some of the measurements compared to an Edelbrock RPM Air gap 7516: AFR 4910 Intake, port height --- 1. Thanks 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. 0 CR motor with AFR 335 CNC heads and currently has a tunnel ram with 2 holley 750's and an Erson solid roller. 750+ gross valve lift mark to make better use of the substantial airflow found in the higher lift range. 596" exhaust lift, Morel hydraulic roller lifters, Comp Cams 1620-16 steel 1. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm. AFR 265 Keisler RS600 with 3. Dual Valve Springs, Aluminum 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. 200 . 4. Nov 9, 2007 · That is VERY mild cam specs for 496 inches. The A356 aluminum castings are matched with other high-quality components to ensure a lightweight construction that handles heat with ease. #bbc #squarebody #squarebodychevy #bigblockchevy #hotrodrescuekit #enginebuil Jun 26, 2009 · Engine is a 496 bbc, AFR 265 cc heads V2 (p/n 3610-1), Comp Cams hydraulic roller w/ . It is as followed: MARK IV 496 BBC AFR 290 HEADs 10. 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. It only takes a little grinding in one spot to fix that, about . I know you really have to have them cc'd to know exactly,but having seen so many diff specs I am confused. Its a 10. My combo will not push them to the limit either, but will make a nasty street engine. It's being built as a hipo street engine. 050 hyd billet roller, modified Summit 6 quart pan, 6 quarts of Valvoline 10/30, Melling M 77 OIL PUMP. @ 1. 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. 97-98 vehicles you must use Center-Bolt valve covers versus the factory covers. Nov 23, 2015 · 1969 Chevelle 540 BBC 746 HP 692 TQ Straub Hyd Roller AFR 305 Heads "America is all about speed. 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. 150 lift, due to a superior valveseat form. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption Jul 28, 2009 · How would a 265 head fair on a 10. Thanks, Tony Sep 14, 2013 · So hard to say, you essentially have a 502/502 with a set of AFR 265's. Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. 90 gears, New Chris Straub Hyd Roller!, 200r4 Save Share Reply Quote Like Blue is intake, red is exhaust. 7:1 with a 114cc chamber. 55-3. Which should bring the comp ratio up to a nice 9. 5 and 11 to 1 CR. AFR advertises the 4910 as the ultimate out of box match for their oval heads. Because the head moves air so quickly the max lift points needs to be tight. Its a 4100# car with th400 and 3. When you take the time to build an engine and spend the money, get the best heads you can, and thats an AFR 265. Would the 265 choke the top end too much? Would a combo like this spin to say 5800-6000rpm? Find CHEVROLET 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. 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. 060-inch overbore with a 4. 4 compression, with a Mahle piston. But there 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. 650. 050 . It also serves as a classic example of not only how sometimes less really is more, but also General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. That is one awesome 496!! 489 BBC 620hp/620tq w/ AFR 265 O ports Tremec TKO 600 Strange S60 W/ 4. A smaller dome and therefore lower comp ratio in these heads might make more power. Intake Port Gasket: Fel-Pro 375-1212 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. Big Block Chevy 265cc Oval Port 24° Magnum Street Head Specifications: Head Torque w/Moly Lube: 75 Ft. Free Shipping - AFR 335cc Enforcer BBC Cylinder Heads with qualifying orders of $109. Afr 290’s if you go the 496 route. 578 Piston head volume is supposedly 6cc Gasket thickness can be Nov 11, 2024 · I decided to a buy the AFR 4910 intake for my 502BBC with 265 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. Exhaust Port Gasket : AFR 033-6858: Head Gasket : 4. 08 gears, 28" tires, tight PTC converter, idles and drives great. 73 gears, and NT555 305/45R18s, and Ridetech suspension. 8/1. peanut port vs aluminum heads. Rocker Stud Torque: 55 Ft. 880 Exhaust Valve, As Cast with out Parts (Bare), CNC Bowl Blended 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. That is a far cry from the factory ratings of the rectangular-port 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. 55’s, 10” converter in a 71 El Camino. 600 . 598 solid FT in a 4300 lb vehicle? Mostly street but will make a trip or two to track. 080 over. AFR 290cc BBC Magnum Competition Heads . It’ll make gobs of torque. 8 compression 496 with a 248 @ . 5-1 compression with a pancake torque curve. 549 lift, 10. Haven't had it to the track yet but the engine is an absolute torque monster. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption 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. Composed of A356 aluminum castings with partially CNC ported intake runners, exhaust runners, and combustion AFR, CNC Ported Alum. Just a good competition valve job and they would of done more than enough for me. Even though the AFR head has an intake port only 4 percent larger it flowed up to 40 percent more air. 065/1. I review an AFR 265 BBC head and flow it on my flowbench and share the numbers. The AFR's are going to run hundreds more and need to be milled to keep a decent CR. Our BBC rotating assembly came from the experts at Scat Enterprises. 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. 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. 696/. 750 7400-7600 AFR-8014* Dec 7, 2024 · I just built a 489 using the AFR 265's and a Straub cam. 88'' one-piece stainless valves, 1. 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 . 578. My guess it will make 630 hp and the same torque. Air Flow Research small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250-2. 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. 347". 45). I'm trying to decide if I should go with AFR 265cc or Brodix Race Rite 270cc. 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. com 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. I dyno tested a set of AFR 265, Brodix RR270, and Promaxx 290 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. This head is completely optimized with 80% CNC ported intake and bowl blended exhaust. Edelbrock and afr are ”roval”. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power Mar 25, 2015 · Tony - The heads are stock AFR 265 full CNC. The current pistons that are in the block are Part # 1448HC that are . 90/ 4000lbs RW 11. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption Jun 17, 2024 · Find CHEVROLET 7. Nov 29, 2023 · Find CHEVROLET 7. 64 Chevy II, L92 6. 050 on a 112LSA and with . So, before the head change, I was using Hooker Super Comp Headers 1 7/8 in. Jul 18, 2012 · A common stroker displacement, our 496 was the result of combining a 0. 26 - 143 at Vegas. 0, 57mm S200s, AWD with Syclone/Astro transfer case Apr 21, 2015 · Adding AFR 265 oval port heads can add at least 80 horsepower. 600 @ the valve, 109 lobe separation. This will be a 100% street car; 3. General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. 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 Feb 12, 2024 · Find AFR 265cc Oval Port Magnum BBC Cylinder Heads Bare Cylinder Head Style 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. 650 lift depending on the heads. 50 for additional information. 5 out of 5 stars. AFR 335cc Enforcer BBC Cylinder Heads 3001 Cylinder Head, 335cc Enforcer, Assembled, 2. I talked with Chris Straub and went ahead and pulled the trigger and ordered one of his grinds, AFR 265's and everything else to do the job right. I guess with 2. 1 compression, Performer RPM air gap with a AED Sep 4, 2009 · AFR is proud to release our all new 265cc oval port BBC design with an impressive 350 CFM of airflow on tap and capable of over 700 HP. The biggest-percentage increases were at 0. Jan 11, 2012 · oval pretty much kill a BBC by 4500 world product as a good set of aftermarket bolt on iron ovals that will imporve range upto 6000-6500 stock 049 and 782 heads are the large ovals and usually need at leas a 2. * Despite about 20% less volume, AFR 265s flow better than the 990s = win across the board. AFR offers two versions of oval port heads: 265-cc as-cast intake runners or CNC ported with 290-cc runners. 14. The order was placed at the end of may so I hope they get them soon. I am under the impression the could be flat milled to down to about 102cc's. com 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 day ago · AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption These heads are built to improve your ride’s airflow through the use of partial CNC-ported intake, exhaust, and combustion chambers. 5 compression, Mahle power pack pistons, worked AFR 265 heads, Performer RPM air gap intake, 1000 cfm Holley carb, 248 @ . 5" pipes all the way out, it won't kill me since I am building for high RPM anyway. 5:1 496 with 252°-260° @. Chev SB Street Head, 195cc/65cc, Assm. 55" OD Hydraulic Roller Springs. $20 Off $250 / $40 Off $500 / $80 Off General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. 710" Max lift, Pair of Heads 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. *69 SS 502 EFI /224-228* HR/9. Jul 28, 2010 · This engine is a 10. 600 lift. 73 rear gear. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. 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. I've seen some awesome info on the 265cc afr heads from vortexpro. Cam is a roller 242/640 intake, 246/650 exh. Brodix race rites have eight bolts same with edelbrock RPM/chevrolet performance not sure if afr 265 has but think they do. The head will peak around 6200 or 6300. 19''/1. 76 comp, comp 248/253 110, 106 solid roller, scorpion rocker arms, Scat 4340 crank, 6. Its going in Dec 20, 2019 · There is more shrouding by the quench side of the chamber that's why they hit the head. The ProMaxx heads respond to the same things that any production head respond to; some attention to detail. Stock big block chevy heads can go a LOOOONG way in terms of the power they are capable of. I share the results from them. I was leaning towards the AFR's, but wasn't sure about going with a roller because of the cost. The cam is a Straub. 5/124mph -with a "top fuel" timing curve - sold Hi all! I have the opportunity to buy a full 454 block casting number: 361959 with 336781 heads for about $600. :yes: 70 Chevelle - 3300# NA 517, 1. 496 BBC 10. 6/1 AFR 265 Mar 1, 2014 · The rectangular heads don't have a lot of pull below 3000 or so on a 427. Going in a mostly street (80%) and some strip (20%) 71 chevelle with th400 and 3:42 gears. If you want more of a COPO tribute motor, send me a PM. The cam is a hyd roller with around a duration of 240s @ . Feb 11, 2014 · Up top, we went with a set of deceptively capable oval-port AFR cylinder heads. Mar 29, 2012 · Part #740-23 "3" 10 is for 1-3/4" primaries that step UP to 1-7/8" down stream that should fit the AFR heads but the bigger tubes will sacrifice some torque which was my concern for a 350 engine. 400 . 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. AFR 265cc BBC Oval Port Cylinder Solid Roller Springs - Air Flow Research 3620 - TREperformance. 5. Sep 28, 2010 · The new AFR 290 CNC ported head was tested on the 496 today. 25-inch stroker crank. 675 lift, 234, 244 at . We recommend AFR #6817 gasket Fel-Pro #1256 for 180 heads. I also worry about the Promaxx being a bit too big and I think more and more about a 265 AFR or a RaceRite 270 or something with some smaller ports, oval instead of rec. 94" RPM Air Gap, port height ---1. 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. AFR BBC Oval Port Heads Dec 23, 2023 · I am building a street only 70 Chevelle that will have a TKX, 3. IMO you'd want a cam thats more in the 240 duration with . 880 Exhaust Valve, CNC bowl blend, Partially CNC Chamber w/ Solid Roller Springs . Cylinder Head Options: 3640-Fully CNC Ported/112cc Chamber/Assembled/1. 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 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. I was wanting to be in the 600 hp range. Check out the details and corrected power here in this install! Are these heavy, cast-iron, rectangle-port BBC heads still the 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. Mar 27, 2011 · The 555" project I did a couple of years ago for the magazine folks tested a solid flat tappet with a Crane 270/274@. I am curious if the as cast AFR's are going to outperform Edelbrocks with all the porting work. Supplying the air is an Edelbrock Performer RPM Air-Gap intake manifold fed by a Holley 950 Ultra HP 4150-series carburetor. Cylinder Head Options: 3610-CNC Bowl Blend/109cc Chamber/Assembled/Hydraulic Roller. Recommended for street, strip, or Jun 28, 2018 · I have the exact same Howards cam in my 454 with AFR 265 heads but 111 instead of 108. 250 in. These cylinder heads are machined for both center and perimeter bolt valve covers, please see your instructions to avoids oil leaks. Mar 9, 2016 · afr 265 headed 496 build Post by vortecpro » Wed Mar 09, 2016 1:18 am 4. If you'd have used a cam in the . 300 . i also ran a set of afr 265 bbc Jan 25, 2023 · Afr 265’s. What are your thoughts? Mar 19, 2014 · The AFR 290 head is a killer piece, I have made almost 800HP with them. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power Cyl Heads, AFR Magnum "As-Cast", BBC, 265/132cc, Solid Roller, Assembled. 7 roller rockers, ARP 7/16" studs w/ 2" installed height (p/n 235-7202, they came with the heads). Oval intake ports. 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. Mike Lewis would be the place to buy either head. Cam shaft I want to go with is a comp cams part # 11-450-8 specs of duration at . 050, Lemons Headers, Holley Multiport Fuel Injection, TCI 6X 6Speed Automatic, 12 bolt Posi Eaton TruTrac, 3:31 Richmond Gears, front and rear power disc brakes, Global West Suspension, etc. For a street setup you may want to look at the AFR 290, Brodix 270 and Trick Flow 280 ovals -all good heads. 650" lift. 550'' double springs, 10-degree locks and retainers, and high quality studs and guideplates all come as standard 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. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption The cylinders don't know or care how big the port/valves are, they only care how much air is flowing through them. I currently have a set of Edelbrock Performer RPM Rect port heads on the shelf I am considering using. The quality is what I care about and am willing to put my name behind. Recommended for 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 What I'm considering, is an upgrade to AFR 265 heads. My 4 bolt block is currently at the machine shop. 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 With the exception of the perimeter valve covers on 97-98 motors, your AFR cylinder head will accept all factory GM components. 26-60', 5. A lobe sep on a 107 will be needed. 050" Hyd Roller Cam10. The AFR 265 heads sound like a great option - my only concern would be header fitment with the raised exhaust port. To ensure trouble free operation of AFR cylinder heads & parts please view the footnotes on pg. Reasons: * I think the runner volume on these heads is way out of line. 050 hyd roller, 111/106 . Shorty plugs didn't help at all. Recommended for street Mar 17, 2013 · '67 Chevelle Malibu, Catalina Blue, 540 inch Rat, Air Flow Reasearch 290 CNC Heads heads, Custom Hyd Roller, . 220 Pacaloy PAC Racing Springs #1225 Dual Spring 1. 669 lift using 1. 250, 10. We recommend a high rise dual plane with the center notched. AFR recommends the use of . 31 Posi Youtube Channel. 7 rockers and it did very well. 73 12 bolt posi The original specs from G. 94" (Identical) AFR 4910 Intake 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 . 4L 454 BBC MK5 Block with MK4 Heads Mar 12, 2010 · ATK performance will be building me 496 with the afr 290s . AFR heads are a great head but to say that their 265 head will blow Sq. Brodix race rite may be a good alternative here. Intake Valve, 10 Degree Locks, 1. 385 I beam rods, Milodon 66 chevelle oil pan, M77 oil pump blue spring, ported RPM air gap intake, holley HP1000 carb, open 1 inch plastic spacer, 2 inch hooker headers, 3 inch magna flow mufflers Jan 30, 2020 · Hey guys this is my first post. Shop Cylinder Heads at Summit Racing. 898"-3. Port heads? General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. 905") block. Part Number: AFR-3002 Estimated Ship Date: Monday 1/13/2025 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. 5:1 Compression91 Pump Gas695 HP684 Torque\ Dec 22, 2005 · On one build with AFR265 V2 heads, Mark IV factory deck block, the Comp Ultra Pro rockers put the roller tip on the intakes right at the edge of the valve stem, and the AFR stud also didn't have a tall enough installed height either, to obtain the initial 90 degree relationship. Lbs. Dec 6, 2010 · Hey guys, are any of you guys using AFR 265's on a 67 -69 Camaro with headers? I was curious if you guys are having any header fitting issues. Figuring on Let’s have a look at the AFR heads I’ll be using for my upcoming engine build. Jul 12, 2013 · Vortecpro 496" Big Block Chevy VortecPro / AFR 265 Heads238@. I assume this was mainly because the frame front was blocked by the moderate dome. The heads feature a modest port volume of just 265 cc, but these fully CNC-ported castings have the airflow to support healthy output. Jan 7, 2023 · Engine is a 496 bbc, AFR 265 cc heads V2 (p/n 3610-1), Comp Cams hydraulic roller w/ . Feb 27, 2019 · Some bbc alu heads only have six intake bolts same with some intakes. . 120" thick-wall pushrods. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption AFR's 3001 325cc 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. 050, lift . I'm building a 496 right now and it's for a 71. 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, 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. 85, 9. Molnar internal balanced rotating assembly. My 69 has a 30 over L72 with a CE 512 block and 840 Jul 23, 2015 · BBC 074 AL heads torque spec, etc. Left a lot of power on the table with that cam though. 100% CNC ported combustion chambers and 3/4 thick decks (great for supercharger and nitrous applications). Recommended for street, street/strip and towing applications with displacements up to 468 cubic inches operating at or below 6200 RPM. 970 745 lbs. 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. Hot, nasty badass speed. AFR 265cc BBC Oval Port Cylinder Heads CNC Chambers Hydraulic Roller Springs - Air Flow Research 3610-1 - TREperformance. General Recommendations for AFR Cylinder Heads: 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. Best be used for 210, 220, 227, 235 & 245 heads. Anyone have actual dyno results of there 496 with 290cc heads. 75 that is stock. AFR Big Block Chevy With some domed aftermarket pistons, it may 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. The main point of these tests is to show how well the AFR 265 heads work (red curves). M. 060 over 289 casting block, 10. I’ve personally seen those afr 265s make 600hp on the dyno with a mush roller cam and 10. But I need to know if there is any other option. Aug 12, 2009 · General Chevelle Tech Area. Not that unusual for aftermarket heads, although AFR does seem to cut their holes too small. Heard good things about the AFR heads and want to make sure I'll be happy with them after dropping over 2k. 1 day ago · AFR 335cc Enforcer BBC Cylinder Heads 3002 AFR-3002. Aug 22, 2015 · 1967 Royal Plum, 434BB, AFR Heads, 3. I know they have raised exhaust ports at . He was great to talk with. 050 is 232 - 232 Valve lift is . Sold in pairs. All of the sq. AFR 265cc BBC Oval Port Cylinder Heads Hydraulic Roller Springs - Air Flow Research 3610 - TREperformance. 88 valve upgrade from the 2. 540'' Bore, Fel Pro 375-1017 AFR 033-6850: Head Bolts & Studs May 23, 2011 · Looking for more power via a new top end on my 396. Here are the specs: AFR Magnum Street: 265cc oval ports, 24* valve angle, $2,234/assembled pair . 10's Heidt's A Arms Find CHEVROLET 7. 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 Jul 1, 2009 · Same 781 heads and everything. Mar 6, 2016 · In the process of building a 496 with AFR 265 heads and a Performer RPM intake, comes in around 10. Oct 25, 2021 · 496 BBC (AFR 265's, Straub Hyd Roller, Callies/SRP rotator, Eddy Air-Gap, AED 850) "Victor Reinz 4918 Head Gasket 7. Premium hardware such as 2. 2:1 COMPRESSION STRAUB CUSTOM CAM Dec 5, 2020 · The foundry is a modern, high tech foundry that casts all sorts of different parts. Can I use AFR large-bore cylinder heads on my small-bore block? Yes, you can run our cylinder heads on your small-bore(3. 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. They come fully assembled with the identical components found in Aug 29, 2024 · I got AFR 265 heads on my 396. 300'' intake General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. Actually I would be at 10. These heads are compatible with engines that operate up to 6200 RPM. 060 over 454 with AFR 265 heads, with a 228/238 @ . The example being some AFR heads I'm considering vs Brodix heads. Oil pan holds 6 quarts of 10-30 Valvoline, carb will be a 1000 CFM 4150 with a 1 inch open spacer. 3620-CNC Bowl Blend/109cc Chamber/Assembled/Solid Roller. Feb 26, 2018 · I've shared lots about 540 BBC. " - Eleanor Roosevelt , 1936 Sep 4, 2012 · The peak airflow offered by the AFR 265 heads (332 cfm) suggests they would support nearly 700 hp on the right application. 150 640 . 060 to relieve that area. Port heads away is a big laugher, then what does AFR make Sq. Some AFR heads have hardened stellite tips which 265 lbs. You need all you can get lugging that behemoth around. May 15, 2010 · The AFR 305's will get it done on a 496. Specifications: . AFR 265cc BBC Oval Port Cylinder Heads CNC Chamber Solid Roller Springs - Air Flow Research 3620-1 - TREperformance. 50's and it has 195 AFR heads on his well built 383 SBC. A small amount of silicone is recommended around the water ports and the AFR LT-1 / LT-4 / Vortec Heads/ Late Model TBI/TPI Heads - Your factory accessory bolts and center bolt valve covers need to be shortened 3/16" or they will bottom out. This only applies to the peanut and oval port heads. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption 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. Component upgrade and machining options are available to customize AFR Heads to your specific build (see pg. rzhvp ktxav pixqfd yzjnuu qqbtr wncuw kedn fldoj yunt pujpkm