Blueprint heads vs afr. 02 valves that generally will clear.

Blueprint heads vs afr The Blueprint heads seem to be very effective on the engines that have them too, so it's not necessarily a question of whose is the absolute best. Price things out as complete packages, not just heads vs. Apr 25, 2020 · In general they are correct that most inline heads with 2. Jump to Latest 21 - 40 of 52 Posts. 65" Nov 21, 2017 · Obviously the AFR and ATK heads are good heads, but your post ASKED for heads for a moderately mild 355 street engine with best "BANG for the BUCK". The results are as followed. I'm the one who showed him what the head could do with a 2. Considering that my new AFR heads had a major machining flaw and and valve guide issues; I might be tempted to use RHS or ProComp castings on my next build. Aug 22, 2011 · I recently purchased the blueprint 195cc heads for my 383, overall nice looking heads. The BPE heads are AFR vortec type copies and I've compared GM vortec vs these exact SP2's on the exact same combo. Lower duration cam with more lift and higher CR vs the smelding that uses higher duration lower CR and less valve lift. Compression Ratio: 10. AFR recommends the use of . 200" 136 132 0. Feb 27, 2009 · I've worked with and seen plenty of Edelbrock headed combos that run very well. BluePrint has their own heads and they are $500/each compared to $1k/each for AFR or Trick Flow. cast steel vs forged crank doesn’t seem like that would matter here. J. 0 331 Stroker, TFS heads, Edelbrock RPM2 intake, stage 2 266 cam, 1. 2", then 4. 020/1. Depends upon use (race versus street) as to what head to choose. These heads should at least be checked out by a competent machine shop first before you bolt them on. Well, I'm getting a bit off track here. You can also notch the stock pistons which is why you check PTV clearance. 08" intake/1. 243/. Dec 2, 2018 · The AFR & TFS Heads would make more power and drive/tune much better with a 8-12* Exhaust Split, Even Cam Motions LS3 Titan Stage 4 232/244 112. Once the first batch of production heads have been cast, stay tuned to Car Craft for an My 289 (now a 347 stroker) has been through several evolutions, and in this video I compare my modified 289 factory heads to my modified 351W factory heads a The AFR heads uses only their intake manifold, as the ports are rectangular but also the port spacing is way different than all the Ford SCJ style heads. Instead of changing heads, I'd spend the money on a better carb and a better ignition system. 02"/1. 0 cylinder heads and the AFR heads just barely edged out the unported Trick Flows. The AFR Enforcer 185cc heads torq'ta 5 8 mentioned are a great option as well. Aug 28, 2017 · These 190cc heads are on Summit for $1010 for a pair. 880" exhaust valves. 00 to $500. Apparently AFR is releasing a 190cc version of the newer ones in addition to the 200cc ones. 4 wires, Pro Comp silver series gauges & shift light Jan 30, 2019 · i think the SR-71 heads would be killer on a 521 street engine. It should be noted however, that the 185s have a 58cc chamber and the TFS heads have a 61cc chamber. 165 and 170 heads almost ALWAYS dyno 320-330 rwhp regardless of brand, this I have noticed from seeing hundreds of dyno tests. 020 intake valves, 1. Camshaft: Hydraulic Roller Cam - . Even 220 cc is not very big for a 408: it's like a 155 cc head on a 289 (like a GT40P head). The AFR heads are by far, the best bang for the buck. I flow them on camera. Jan 12, 2025 · I spoke with Chris Straub and told him I wanted 600hp/600tq and he gave me his recommendation for cam and heads and I went with his suggestions cam . 4. #3 were 180 cfm E Street heads. I like the Vic Jr. They flow better than the Blueprint heads for just a bit more out of pocket. I also bought a set of Cometic gaskets through AFR for this installation. Apr 6, 2021 · Interesting test. I also show many other things with the two heads like flow numbers, cc, and measurements. The quality appears to be<as good, it has SCAT crank and rods a new block, K B hypereutectic pistons, Vortec HP heads and a knockoff of the Edelbrock Performer RPM cam. My 406 will be getting the new fast burn heads. 523 lift cam hyd roller. Aug 7, 2002 · With 2. AFAIK, they've always come standard with a 2. They're fully assembled with valve springs, retaine Jan 14, 2008 · On my 74 short bed truck i have a 350 . afr heads. Now I have a set of 185's and my brother-n-law has a set of 205's so one can say I am bias to AFR. and as far as a race head?budget racers should see them as a great deal,1224 hp for $2995 unported are you kidding me!check the prices on A460 or C460 heads that will support that Jul 14, 2012 · Like I said, I've been working with these heads since before you ever knew they existed. I pulled off my 195cc intake, 64cc bowl RPM heads and install the 200cc intake , 64cc bowl SKW heads. Please note that with the . my current 72 cc chamber, which should increase compression by about . Both are great Jan 26, 2022 · Same goes for AFR and Trick Flow. 00 less than the edelbrock and the low,mid lift flow#'s beat just about all heads in its class. The 165 head uses a 1. Mar 28, 2020 · I see this an old thread but it was talking about Blueprint engines cylinder heads. 00. 1 2 3. Just say $400. May 8, 2020 · I think the blue print engine will make more low end torque and power. 300" 187 198 Dec 6, 2007 · I sell heads and cams to lots of people like you everyday. Jason never put a 2. Sep 1, 2017 · Good afternoon from the UK It's been a little while since I've been on here. 3" intake/1. 250" Stroke and Forged 6. 60" exhaust valves. These heads were milled by AFR for increased compression. 243, 600/600 and AFR 265 heads in 71 chevelle and the engine is an absolute torque monster and very streetable. 5+3 will Perform much better with the aforementioned Heads. It's comin along pretty good, the body work is taking forever though. 050" offset rocker arms the roller tip of the stud Jan 22, 2025 · The 195cc AFR Enforcers are Chinese copies of the Dart Pro1 head that AFR sells with their valvetrain, but with a Chinese 3 angle valve job. $731. I go over the differences between the two sbc AFR 195cc heads including flow numbers from my flowbench. Edelbrock e heads are good to but are priced close the the afr's. The right intake, valvetrain, and camshaft needs to be in place for any head to reach it's potential. but it has double hump 202 heads. 0" from 2 to 3, then 4. The innovative product is designed for the LS enthusiast that is looking Dec 21, 2019 · Even the ZZ502 which is above the break even mark for a rectangular port HiPerf head came with oval port heads (this time sized at 270 cc) instead of the 320 cc head used on the 454 HO engine. JBS71383 · Registered. 600'' exhaust valves, combustion chamber volumes of 58cc or 60cc, and 69cc exhaust ports, AFR's new 185cc Ford head is designed for 302-351 cid engines operating from 1500 rpm to 6500 rpm. Jul 4, 2014 · AFR's new big-block Ford cylinder heads are tentatively scheduled to be on sale by the time your read this. Will not accept rail rocker arms. 00 for cncing and you now have a $1900. The heads are only as good as the total package. (ford and chevy) i currently still have a set of their 210 sbf heads bare in the box. 02 valve size , that you tend to have issues with clearances, reason why I was leaning towards AFR or Trickflow. Jun 1, 2003 · Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your big block Chevy and feature 316cc intake/124cc exhaust runners, 119cc combustion chambers, and 2. 6 ratio rockers, will easily get you over 400 horse in a 350 and still drive pretty good. quality was decent. 9 or 1. Summit Racing model 162109 Edelbrock model 5089 The Summit Racing heads performed better in this Hot Rod magazine head comparison, but they cost a little more. May 1, 2021 · Also, the casting from China have really gotten quite good because of Jason, Blueprint and others. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. no matter what you choose it will run good. Things I noticed that could use some improvement: 1) the center head bolt between intake and exhaust springs, way to tight in there. 120" thick-wall pushrods. The Performer RPM head and Vic Jr. 70" valves. In this video I compare Blueprint Muscle Series H8002K aluminum cylinder heads to General Motors small-port Bowtie Vortec iron cylinder heads. Feb 26, 2015 · which heads? afr 185s, trickflow 190 11r? Jump to Latest 7. Dec 21, 2014 · The Brodix 227 head is probably going to make about the same power as the AFR 220 head. 02 valves that generally will clear. Feb 16, 2011 · I am doing the base engine because I have my own intake, carb, and the rest. 050" offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker). Jun 25, 2014 · I built a 489 this past summer using using a callies compstar rotating assembly. 5 tire on the motor, I was pretty impressed with how the 235 heads proformed . 02 intake valves won't clear vs. Jul 23, 2023 · I tell the dyno numbers from the two different heads. Jun 4, 2010 · GT40(p) heads choke a 302, let alone a 331/347 thats why an AFR/TFS headed 302 will make more power than a GT40(p) headed 302 the money you'll spend getting new valves,needed port work, and everything else, you'll eb about the same price as a set of good used aftermarket aluminum heads Jun 4, 2023 · Seems a lot hear want to not only shit on "china" heads and also group them all together. AFR 185, or Trick Flow 190's are the smallest heads anyone should purchase. Contact info:w AFR’s 260cc LS3 "Mongoose" heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. The AFR and the Blueprint Engines cylinder heads are the He sent me multiple sets of headers and sent an engineer to my home to understand what needed to be adjusted to address the new cylinder head design that Blueprint is using. Beyond that information, it just starts to become a personal chice, along with all the other build parameters and your budget. They're fully assembled with valve springs, retaine Apr 20, 2021 · This is a long video but I have a lot of information about both heads and real flow numbers. 050 - 112° LSA. May 15, 2020 · It would have cost the same to redo the SP2 heads I have and the last m-shop screwed up one of my other SP2 sets I ported, so this saves me a lot of time porting and waiting. May 31, 2007 · MM&FF Did a test a while back on almost all of the 5. all heads were bought bare and were worked and assembled in the cyl head shop i worked for. Joined Jun 7, 2010 · 162 Posts #21 · Aug 25, 2010. head quite a bit for N/A dual purpose cars. Cometic requires a flat surface and a minimum roughness of 50 Ra for surface finish. Dec 12, 2020 · building a small block 355. Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads. Below are the flow numbers for the blueprint heads that come on the motor vs my AFR 195's. Theres proven 1100 +hp with these heads on a 598 or bigger. When you scale it down, it would be like a 117 cc head on a 289 (stock 289 heads are ~135cc). Afr heads are selling for,185's-$1450,205's -$1800,225's-$2000. 25 valve, just like the AFR 315 head they copied. There is no comparison, the AFR heads are far superior, but it is a cost/benefit thing, since the AFR heads are much more expensive. And AFR says fast burn design is in use in their combustion chambers ,so which is a better head in the real world for sb350? running 10. they made more HP and torque at 5800 rpm than the afr heads did at 5800 and 7000 rpm for that matter. Jul 27, 2020 · I thought I'd post my results from my head swap. I am at about 10:1 compression, I used the AFR duel plane intake and a 950 holley. It seemed to run a little better with the iron 3 hump vortecs not the 906 style. Most Chinese heads had . 30 valve in one till he saw me do it. The AFR's, because of their more oval port design, don't match nearly as well. Feb 11, 2003 · Hey guys, I'm new to the board, so howdy ya'll. I built a 434 for a friend 3 mounts ago using a 235 afr head and the car has been the best of 9. i'm looking to getting Dec 16, 2005 · The heads are based on the racing-derived cylinder heads of the Corvette Z06’s LS7 7. Aug 22, 2011 · >>> "Beats playing with some 40 yr old factory head thats been messed over 1000 ways from Sunday" No kidding. Apr 23, 2008 · I haven't really looked at the Blueprint heads, but something definitely to consider, what size are the intake valves? from my understanding once you get up to 2. I also have the same treatment on my fastburn heads. 900-inch intake valve; the 185 heads sport a Feb 4, 2017 · SR-71's are the top of the chain for a conventional style (CJ)port head. You could have them ported for less than the cost of a good used set of heads. Apr 21, 2022 · @f8266coupe makes a great point! I presumed you were talking about the AFR 185 Renegade heads, not the Enforcer fast-as-cast 185CC heads! For a budget build, the Enforcers make a lot of sense! They are the same basic Chinese casting that a lot of companies use right now; a knockoff of a more Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 220cc intake/67cc exhaust runners, 64cc combustion chambers, and 2. I also compare it to the Profiler 195cc May 22, 2002 · The flow numbers from a prototype head (as listed on the Sallee site) and from an AFR 195 (as listed on the AFR site) really give the AFR head an advantage on the exhaust side at moderate lift (0. The pictures should tell the story. As for the heads other than the obvious differences I couldn't tell you much between the aluminum heads and the 4 days ago · AFR 185cc SBF Enforcer Cylinder Heads 1351 AFR-1351. They line up extremely well. Overview. I'm talking high quality parts and 5 angle valve jobs. The cylinder side vane is huge, looks like a GM swirl port head. Jul 2, 2024 · Aluminum Assembled Cylinder Head - GM SB Compatible - 220cc Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 220cc intake/67cc exhaust runners, 64cc combustion chambers, and 2. AFR 227/235cc Heads: Due to the "60/40" stud and valve locations, shaft mount rockers are highly recommended, however if you're ONLY Drag Racing you can run a . Aug 1, 2005 · Details & PricingAs noted in the main text, the 165 and 185 AFR heads are practically identical, save for the intake ports. Dec 6, 2007 · I sell heads and cams to lots of people like you everyday. intake requires virtually no port matching. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. I think it’s because they are not normally apples to apples comparison. Cheaper heads need guide work and sometimes a valve job before you can use them. 0L engine, including a unique inlet port shape and offset rocker arm design. Aug 12, 2000 · i ran several sets of RHS heads back in the day bracket racing. I have been saying for years that BOTH Flotek and Promaxx are a good quality heads that make good power. Aug 26, 2007 · But as to the original question: AFR vs. Sep 12, 2022 · The AFR Enforcer heads ($1300 now) AFR Enforcer or the Blueprint Engines heads H8002K ($1600 now), this Comp hydraulic roller Comp Xtreme Energy or this Comp Xtreme Fuel Injected cam, either with 1. 65" then 5. 015 thick. I show before and after flow numbers. I'm surprised that the 220 cc head doesn't do any better than the 165, because the 165 cc is really small for a 408 CID engine. The TW 205s flow better than the AFR 205s even with a smaller intake valve, 2. When you are realistic about what you expect, it makes it nice when you can do it. the original parts are so it's hard to even guess how many times some of them have rebuilt or butchered. However, depends on the cam duration, head gasket thickness, block deck height, and about 10 other variables. 0. May 22, 2020 · The AFR spec sheet looks really good - their flow numbers seem a bit better and the springs look a bit better, plus you can option them with upgrades from the manufacturer if need be. 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. I understand the intake is restrictive though Jul 7, 2010 · the older style 220 heads are on my 434, i'm leaning tords the afr 235 cnc heads. Normally I would have classed them with the ProMaxx, E-Street and Flotek heads, which all have their issues, but the reviews on them are surprisingly positive. Feb 27, 2009 · Out of the box Edelbrock Performer RPM vs. 8" from 3 to 4 (no they are not evenly spaced) AFR heads are 4. 750 In the horsepower range you're running, that doesn't matter at all. cstraub said: just spent days in my shop with some very talented engine builders in Drag and Circle track In this video I compare Blueprint Muscle Series H8002K aluminum cylinder heads to General Motors small-port Bowtie Vortec iron cylinder heads. Given this information if everything else was left the same do you think I would make a lot more power with the AFR heads? Cam Specs for the Engine Cam Specs: Sep 2, 2023 · Blueprint advertises this part number as 195, but I poured them at 190. Aug 29, 2008 · I have a set of AFR heads on my workbench that I will hopefully be installing this October. it has forged flat tops . While they did come in #3, they were very, very close to the AFR heads. I have their 396 ci sbc in my car and thought what a great engine until it dropped a valve seat and hung the valve which then broke off and then went into the port craving it in destroying the head and piston in that cylinder and pieces of the valve seat ended up in many cylinders, cylinder wall has large gouge Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 195cc intake/75cc exhaust runners, 64cc combustion chambers, and 2. They're fully assembled with valve springs, retainers, locks, guideplates, studs, and seals. 600 in. They made the same peak horsepower, but the AFRs were stronger "under the curve". Well here is Eric's video comparison between BBc ProMaxx 317 with 2. Nov 3, 2018 · 611ci sr-71 heads So long post worth the read! Charlie Evans Presley Rae Wilkerson, and Jon Kaase dyno tested my intake manifold today against an Afr,Victor, and a Mafia. 050 cam. That's why I put up the ProMaxx Stage I heads at $1000 per set with good comparable flows. TW heads with 2. Howeverdo not expect afr or trickflow type craftsmanship. The AFR's seem to outflow the blueprint heads by a fair bit and use a smaller intake runner. a lot of ppl on this forum seem to like the PF's, my machinist is a dealer, and he loves them (honestly the only head he uses anymore), and with some extra work they seem to work real well. 300" 187 198 Mar 14, 2017 · Greetings. Applications. For reference, the new Blueprint heads, similar to Ford Racing's Z304 and AFR heads have two features that caused fitment issues with older headers on the FFR MK4. I'm in the market for some new heads for a 350 SBC and was wondering if anyone had any experience and/or recommendations regarding the following heads. Same valve sizes, same cast shapes, same milling, port dimensions are almost identical, they just seem like the same head but marked up and rebranded. The AFR and ATK heads are about $1500-$1600 minimum per set. You'll get flow numbers, seat and open pressure for the springs, and much more detailed info. 0,3. Oct 1, 2019 · NOT if there a quality head, just land-of-origin as there casting as some who work with them has said, there QUALITY is right up there with the USA made heads. Jan 28, 2021 · 91 coupe,306,afr 165 heads,anderson ford b-3 cam,edelbrock rpm intake,30 lbs injectors,73 mm mass air,70 mm throttle body,255 fuel pump,crane Hi6,new nx 100-250 system,bottle heater,15pnd bottle upgrade,jacobs nitrous mastermind,bfg drag radials,south bars,pro 5. Plus I am trying to dress mine to look like a 302. 5 comp with a 222-230@. 500 decks and AFR's are . Apr 23, 2010 · Below are the flow numbers for the blueprint heads that come on the motor vs my AFR 195's. 8K views 10 replies 7 participants last post by NMRA P/S 5090 Mar 2, 2015 Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your big block Chevy and feature 316cc intake/124cc exhaust runners, 119cc combustion chambers, and 2. but are better heads for the cost of vortecs. I no longer have the '72 I had when I signed up. GT-40. 100" 62 No Data 0. Part Number: AFR-1351. A 3/4'' thick head deck makes the AFR head ideal for nitrous or blower applications. Nov 8, 2020 · AFR165's right out of the box bolted to a refreshed stock block, stock cam 5. After doing some research on them I decided to give them a try. #2 I believe were AFR's and they were quite a bit more then the TF. Jul 5, 2023 · The BluePrint Engine heads look identical to the AFR heads except for the milled brand name on the front. I read a lot of threads on here about cylinder heads and a number of them mentioned Skip White heads. 4-mm-diameter exhaust valves. I am restoring a 1967 Mustang Coupe. Crankshaft: Forged Steel Crank - 4. 76 to 1. I've just ordered a new Blueprint 383 for my '70 Nova (replacing a 350) In terms of performance and fitment, what headers would people recommend? Apr 4, 2001 · How much is CNCING going to cost to make them comparable to AFR'S. 73gears. Apr 18, 2018 · The BP heads have a 64cc chamber, vs. It’s a 95 cobra so I’d like to keep that intake for awhile and hopefully get it ported. It was about 600 bucks cheaper than the equivalent from GMPP. Oct 6, 2017 · I have a new set of AFR 195 Eliminator heads with a 65cc combustion chamber. Number 1 The Air Boss Number 2 The Mafia Number 3 The Victor Number 4 The AFR Oct 14, 2009 · I purchased the 405 HP 383 from Blueprint. 030 over, 327 375 horse blueprint cam, vortec performer rpm. 00 set of heads. Feb 19, 2018 · ProFiler as-cast airflow rates rival the CNC street ported version of the AFR head, putting those two at the top of a flow test comparison list. . 02 vs 2. They were a little cheaper then the TF. 7 rockers, hardened push rods, 24lb injectors, PMAS MAF, 70mm PP throttle body, March Billet Underdrive Pulleys, griffin rad & flexalite electric fan, Tremec t-5 w/ upgraded mainshaft, centerforce DFX, B&M pro ripper, 3. look at the head comparison fromm mm&ff it makes more power than the RPM and just 8 less than the 185, costs alot less than the AFR and about 200. ) Aug 17, 2009 · Ryan, since you already have TW heads, why not send them off to Total Engine Airflow for CNC porting. On a smaller engine like a 557 ,exhaust valve needs to be reduced from 1. Blueprint are stockers and most Dart builders will use a nice billet piece. They both have a lifetime warranty. These heads are also used on the BluePrint 306 & 347s that seem to make good HP Aug 18, 2018 · A pair of custom ProComp heads for a sbf is just over $900. the profilers seem to not break the bank as much as the afr's, a few $$ difference. Not much I can do about that. Personally, I would spend the money on a good set of cylinder heads. Jun 7, 2010 · edelbrock heads vs. You should have NO problem to make 600 HP with the setup you describe. Estimated Ship Date: Monday 3/17/2025. 300 to 0. plan to run a tunnel ram (cool). 500 lift. 300 intake compared to the AFR Sep 2, 2000 · flow numbers alone seem to suggest that the afr's flow the same or slighlty better till . 08. Scroll down near the Jul 29, 2023 · The car originally had gt40 heads on it but I decided to get better heads this time around. 400). 647 Intake / . My 406 solid roller engine used a 215 cc head 2. Your converter is too tight , and if you pick your combo correctly, you can run like that on pump gas, which will save money. These heads would run a helluva lot better than any old fuelie head left over from the sixties. ProMaxx's full CNC port head is quite good as well. 8" from cyl 1 to 2, then 5. Dec 19, 2021 · Several years back Hot Rod tested 6 aluminum heads. Once again, if the heads are reworked at all, all bets are off. If you have the budget I would buy a set of afr or trickflow heads and be done forever. May 22, 2002 · The flow numbers from a prototype head (as listed on the Sallee site) and from an AFR 195 (as listed on the AFR site) really give the AFR head an advantage on the exhaust side at moderate lift (0. 73's, MSD, Taylor 10. It might make another 10 to 15 hp more than an old carb, maybe more. the smelding may produce a bit more top end power and rev slightly higher. Pistons: Hypereutectic. 1:1. 02" intake/1. Blueprint recommends the Fel-Pro 1003 head gasket, which is . But for now I’m focused on heads because at this point I don’t have a set. The most commo difference between then and, say, an AFR is the deck thickness. and 4 sets of ford heads. Cylinder Heads, Aluminum, 195cc Intake Runner, Straight Plug, 2. The TF heads were #1 and they were one of the cheaper heads. all in all i've used 2 sets of chevy 235cc heads. Jan 1, 2019 · The reason is that these heads will get you close to 400rwhp on a stroker, and even on a 302 shortblock. I give you my opinions on most of the cylinder head brands for the most popular engine families. Dec 23, 2022 · I show how to improve the SBF AFR Enforcer heads. Feb 15, 2022 · The decks and castings were decent for the money, nothing really bad to say. 041 thick, however I could try using something like the Fel-Pro 1094, which is only . I know I'm gonna have to make a Feb 2, 2022 · I have a blueprint that came with the car I bought it was Dino at 406 horsepower the intake is Professional Products CrossWind rpm 1,500 to 6,500 I was looking to get 450to500 hp I also have a set of afr 195 heads 64cc turbo 350 transmission with 373 gears also have 3" exhaust quick flow Aug 9, 2013 · 93 Electric Red Coupe 118KM- 5. 135" Rods Jul 23, 2010 · you cant beat a 195-200cc head for any sb with a decent cam. They are bowl blended by me and exhaust side mirror polished. 23 at 144 on a 10. 30 valve when I was building my 532 combinations. Afr's or twisted wedge heads are the only way to go. (AFR did make good on my heads and offered superior customer service. mr. Ditto with rockers. 5 out of 5 stars. That adds to the cost, potentially substantially if they need any additional work. " Ford heads are 4. Airflow of the heads is supported by large, 55-mm-diameter intake valves and 40. I spoke with Chris Straub and told him I wanted 600hp/600tq and he gave me his recommendation for cam and heads and I went with his suggestions cam . 0 gained a 100 horsepower. 647 Exhaust Lift and 248 Intake / 254 Exhaust Duration @ . Any suggestions would be much appreciated. Only show Aug 1, 2005 · Details & PricingAs noted in the main text, the 165 and 185 AFR heads are practically identical, save for the intake ports. 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. If you have an old carb, I'd get the new Holly Ultra 950 for your motor. 72. i'm looking to rebuild my motor over the winter, so i have so time to get heads together for it. The bowl configuration is unlike any aftermarket head I have seen and I'm not sure how to or what to do other than a mild cleanup. That's very doable with the exception of the passenger side dip stick. heads. I heard the vortec heads flow better then the DH. Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. Both are great Jan 26, 2005 · the best bang for the buck head is the twisted wedge on a 351, I know from experience. I am putting a 427 or 428 stroker kit on a 351W to put in my 67. Sep 18, 2020 · This info is straight from the Blueprint Engines site. AFR 185, expect roughly the same results. Air Flow Research (AFR) is about to bridge the gap between stock heads and the costly aftermarket units with the release of a new LS cylinder head. I dont know the rest of your build but a afr 185 is good for most street combos. I like the SP2 heads once ported, got 4 sets. BluePrint Engines Muscle Series Cylinder Heads. Valve Lift GMPP Fast Burn AFR 195 0. So plan carefully. Dec 13, 2019 · While aftermarket aluminum cylinder heads are rather expensive, they can open the door for big power with the LS platform. Valves, Chevy, Small Block, Pair The only thing I have not seen is the $1k bump that Edwardb indicated. lwouv ajdfcz kmds kmdtqql lbcd qgu xmjfiwxc vjmrmc mtvwr gyfata dkvkw wjb kzh ooqbh twg