The average flow numbers taken at .100 increments up to .500 beat every head in article but the AFRs and they only edge out these by a little. * Flow data for this head from an external source. Roger C . car made 322/329 SAE . Cylinder Heads & Parts for Ford GT40, Metal Car and Truck Head Gaskets, Stereos & Head Units for Ford, The GT40 valve sizes are 1.85/1.54 for the intake and exhaust, while the GT40P went to a smaller 1.46-inch exhaust valve. so a set of heads with less flow at .500 lift might have more total flow. Will require extra work and money to put in them. Here are the numbers from the flow bench at Rays Intake Exhaust. 302 GT40 Dyno Results. This gives them a slightly better flow and build quality. Combustion chamber volume: 64cc. The level of AMH in the blood can help doctors estimate the number of follicles inside the ovaries, and therefore, the woman's egg count, otherwise known as an ovarian reserve (i.e. either one would be a good upgrade over stock but only if you get them real cheap. When installed, the front of the cylinder head points forward of the vehicle. Seller assumes all responsibility for this listing. These "X-Head" heads use GT-40 performance intake manifolds, and feature high temperature exhaust valve seats with bronze guides. trick flow stage 1 cam. Step 1 Open the hood and look for the casting bars at the front of each cylinder head. Home. A brand new set of AFR 165s OR a set of GT40 heads + machine work + larger valves + 60hrs of air compressor power consumption + 60hrs worth of grinding/polishing materials (and I'm ignoring any . My concerns are for intake match and valve interference. No swirl numbers available. Kinda a small head for a 393 CID motor. "Head to Head" - Flow Testing Small Block Ford Cylinder Heads - AFR, Brodix, Canfield, Edelbrock, Trick Flow, GT40 - FordMuscle It has 2.02/1.60-inch valves for improved flow along with 64-cc chambers. Contribute to gurayturker/GUI_PyQt5 development by creating an account on GitHub. .1 - 51.2. How to identify your GT40 heads look for a "GT" or "GT40P" stamp inside the head casting or a three-bar (GT40) or 4 bar (GT40P) stamped on the side of the head. . Intake Flow Numbers. 65.7 52.9 Twisted Wedge 76.65 57.3 "Power heads" 67.05 57.9 the 40s are better than the E7 heads, but the P head sort of toasts them both. but still I wouldnt expect more than . 1987-1995 Ford Mustang 5.0L Canfield Aluminum Cylinder Heads 302 COBRA GT40 351. I figured I start a new topic and go step by step from stock untouched heads to the final product. 24,338. Check out this article. . First off, GT40 heads are equipped with thermactor holes to connect to the EGR/smog equipment. GT40 heads can be found pretty much anywhere you look. Porting GT40P Exhaust Port. Bid for the chance to own a Active Power GT40 MkI Replica at auction with Bring a Trailer, the home of the best vintage and classic cars online. Part Number: 515U0002. So you will find pre-1993 casting numbers on the early heads. 84, Intake Ports Flow @ 185cc GT-40P Valve Size Exhaust - 1 84, Intake Ports Flow @ 185cc GT-40P Valve Size . Re: Giving new life to GT40X heads. 1.54" exh. . The plan is to use the original cast iron intake & Autolite carb. Must be used with corresponding Trick Flow lower intake manifold base. they might have the same port size but what they flow in CFM is crazy different. This is done by adding air flow at each lift point from .1 to .5 etc. Porting GT40P Exhaust Port. Trick Flow High Port SBF 192cc Ford Aluminum Cylinder Head 64cc 5.0L 302 347. There were other changes to the GT40P, including a slightly smaller. in a 5.0 mustang and super fords test on a 393 stroker, only switching from GT40 aluminum heads. Installation of new guide dowels may be needed. Flow Numbers Average 300 cfm at When " Undercover Ported ", the GT-40 head will flow 202 to 210 cfm intake and 145 on the exhaust side com or call (814) 237-4990 Ported Stock Lower Intake But I'm still asking because who knows . Starting with the outboard side of the throat, as with the intake, the . $2359.99 Wilwood Street Drilled Slotted Rotor Aero6 Caliper F Brake For 11-14 Mustang Wilwood Aero6 Front Hat Kit 14.00 Drilled Red 2005-2014 Mustang. 2.95 " 75mm High Flow Throttle Body For Ford Mustang 86-93 GT Cobra LX 5.0L SS. Location: Sudbury, On, Canada. The P head exhaust port has a lot of sharp edges and can really benefit from just a little grinding. . The added advantage is the GT-40 heads work with common headers, and the P heads require specific, and more expensive GT-40P headers in almost all cases. AllUsedParts offers a range of genuine used OEM Air Flow Meter/Sensors guaranteed to fit your Ford Fusion When " Undercover Ported ", the GT-40 head will flow 202 to 210 cfm intake and 145 on the exhaust side. To visit this topic, use this URL: . Stock 351W (C9, D0, D8, D9 castings) Cost per pair: Varies Material: Iron Combustion Chamber Size: 60-69cc depending on year. The gt40x303 are an older casting of the newer x306. . They were also used in marine and industrial applications back then. Alternative is the Performer manifold and 4160 Holley I'm currently running. Location: Ontario, Canada. My concerns are for intake match and valve interference. Manufacturer Part Number: F3ZE. The GT40 heads are a little bigger. that was the only change between the two tests, and the difference in power. Porting and Flow testing GT40 heads. The GT-40 production head goes back to 1991, when they were used on SAAC engines. I dont know anything about flow numbers so here they are below. Very simlar heads but the P heads do flow slightly better even with there smaller exhuast valves. X303 specs. Mar 23, 2004. What a difference in performance too. Most flow numbers for SD Performance heads come from their Web Site updated May '15. Overall I'd rather go with the standard gt40's. much less fitment issues and more overall capibility. Topic: GT-40 head porting, a compilation with a bunch of pics and measurements (Read 113546 times) David Claflin. to AFR 185s they picked up 75 hp. . Available in several styles and finishes for Ford 5.0L, 351 Windsor, 4.6L 2V, 351C, and Clevor engines. 302 explorer short block with roughly 80k miles. cylinder head. Valve Lift-----IN CFM----EX CFM------% of EX TO IN .100"-----------65--------64------------82 They only have the GT40P head which flows a little better then the GT40 head. Post. Updated Aug. '12 and were converted from 10" to 28". eBay item number: 234468235941. Very simlar heads but the P heads do flow slightly better even with there smaller exhuast valves. Should I be able to reach my goal with these heads? The plan is to use the original cast iron intake & Autolite carb. Mar 23, 2004. GT-40X Al. High lift is only reached once low lift numbers are really hit twice. The three casting bars, or ribs, are vertical and raised from the surface of the head. Heat transfer port plugged at intake. $750.00 . You get what you pay for.. if you want a dope set of used aluminum heads then throw down $1100-$1200 for used AFR 185s. Get the ex up to 180cfm. Seller assumes all responsibility for this listing. Featuring a revised cylinder head with high flow CNC valves and revised intake, it took the standard Gen I "Coyote" from 412 horsepower to 444 horsepower and 380 lb/ft of torque. The original GT40 race heads also flowed 195cfm on the intake side and 152cfm on the exhaust side at .500 inch lift. Hover to zoom. Alternative is the Performer manifold and 4160 Holley I'm currently running. Logged 1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331 . They flow better than your gt40s and the general consensus is that the ford aluminum heads are fairly decent, just a bit expensive since TFS and AFR have heads that flow better for a bit more. Studies Bioinformatics, Genetics, and Genomics. Image not available. #3. All heads have 1.94" and 1.54" valves. Camshafts & Valvetrain Components. Ford hired Roush Industries to help out and rework the then-current 5.0 HO head casting to meet their airflow targets. GT40's from a local u pull n pay ($97) weiand x-celerator. eBay item number: 144583921975. Location. Contact the seller. You should be able to hit 300hp with some moderate port work. Starting with the outboard side of the throat, as with the intake, the . All flow numbers for Sabre Heads come from their Web Site. It was a success because the modified HO head castings actually flowed better than the '68 GT40 race heads! and four indicates a high degree of fragmentation (>40%) and an embryo . If you are broke as a joke then scape together $275 and pick up a set of GT40 irons. The P head exhaust port has a lot of sharp edges and can really benefit from just a little grinding. Trick Flow Twisted Wedge 11R Ford 190cc CNC Ported Cylinder Head 66cc. either one would be a good upgrade over stock but only if you get them real cheap. ILS 3,509.91. on: October 21, 2011, 10:55:25 pm . STEP 4: Install the GT-40 heads on engine block and install mounting bolts. well i finally did my first ever carb build, ive always been an EFI guy . #3. Step 2 Port #2 and 7 exhaust flow numbers. . thats after 3 hours of idling/midrange hits to tune the idle and . We took my buddies car to the dyno with both sets of heads, the GT 40's and the E7TE's. The gt 40's ported and polished made 270 hp at the rear wheels, the E7te's made 254hp fully ported and polished. A word of caution though: just behind the valve guide and in front of the thermactor divot is a water jacket, so be careful in this area. Furthermore, they are . 55cc exh. Forget the very high lift flow numbers. Like other stock castings, there is plenty of room for improvement with this head. Also keep in mind flow numbers can vary from each machine so just because one guy said he ported/modifed heads and they flowed better . posted 10-21-2005 12:45 PM. Finally, we tested two of the more popular late-model aluminum heads: the Ford Racing Performance Parts' Turbo Swirl GT-40 street head and the more race-like Edelbrock Victor Jr. PBF had all of the. Adv_SBFTechie Big Block Offline Posts: 7907 . Home. The flow is low where you need it. Most flow numbers for Scott Johnston heads come from them Web Site updated July '09. 24,338. 50 State Smog . There will either be a "Y" or "X" along with a three digit number: FMS-M-6049-X303 is the 64cc head FMS-M-6049-X305 is the 58cc head there is also an X304 part number that is sold as a bare head, but I do not know the chamber size. BBF Ford Heads: SBF Heads: SBC Heads: LS1/LS6 Intakes: LT1/LT4 Intakes: this is because often lower lift numbers might flow more than the high lift number. You could tell the difference. GT40P heads are not. Feb 19, 2011. (stock E7TE flows 122@.500, stock GT40p flows 139@.500) Normal GT40Ps flow right between stock heads and Twisted Wedge heads. Intake port volume: 178cc. 3 FOR Ford GT-40 EFI 220 CFM 250 CFM 280 CFM 310 CFM (Welded) 4 EDL Edlebrock Perfomer EFI 220 CFM 240 CFM 300 CFM 320 CFM . Are GT40 or GT40P heads a bolt on for my '65 289 A-code motor? GT-40 (iron) casting numbers: F1ZE-AA, F3ZE-AA, F4ZE-AA, and F0JE-AA (2 vertical casting bars) and F3JE-CA GT-40P casting number: F77E-AA Also look into total air flow of the heads. . 1993-1995 Mustang Cobra | Part# F3ZE or F4ZE Logged 1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331 . UC-GT40 "UnderCover Porting" to GT-40 heads $995.00 labor only to 1 pair of heads gt-40 intake..extrude hone and port matched..no 5 hole opened up a tad to equal flow gt-40 heads with larger valves bowls blended chambers radiuses to slightly unshroud the valve ( valves are cutback design from manely) 1.6 rr's 542-563 cam 14-15 psi 90mm maf..polishing inside 75mm t'b polishing inside equal length headers some other misc stuff Intake Flow Numbers. 3 FOR Ford GT-40 EFI 220 CFM 250 CFM 280 CFM 310 CFM (Welded) 4 EDL Edlebrock Perfomer EFI 220 CFM 240 CFM 300 CFM 320 CFM . Adv_SBFTechie Big Block Offline Posts: 7907 . Get it to flow at .400" and .500". BBF Ford Heads: SBF Heads: SBC Heads: LS1/LS6 Intakes: LT1/LT4 Intakes: Valve Sizes: 1.84" int. Adam by F-BIRD'88 Sat Apr 15, 2017 9:19 pm. UPC: Alright im thinking about buying some gt 40p heads and plan to run them with my mods below plus 24lb injectors. Brand: Windy City Engine & Parts. + ILS 289.29 shipping. Either on the engine, or off, identifying Ford GT40 heads is a simple process. They also installed GT-40-type cast-iron cylinder heads, the tubular "tuned" manifold, tubular stainless-steel headers, larger intake (1.84-inch) and exhaust valves (1.54-inch), high-flow ports, high-rate capacity fuel pump, and injectors, revised combustion chambers, a redesigned air filter for improved airflow and a true dual exhaust system. Topic: GT-40 head porting, a compilation with a bunch of pics and measurements (Read 113546 times) David Claflin. The cast-iron Sportsman head (M-6049-N351) from Ford Racing is a nice compromise between the Z head, GT-40 Turbo-Swirl, and the Yates NASCAR head. STEP 2: Remove, clean the intake manifold, engine block surface before installation of new gasket and heads. Here are the numbers from the flow bench at Rays Intake Exhaust. New New New. Using the flow numbers from the recent MMFF articles on heads I surpassed the "Y" head numbers by 35-50% at all lifts up to .400 where the gain was about 5%; but at .500 the "Y" head beats these by a whopping "1" CFM. Non-Domestic Product: No. IN STOCK Trick Flow GenX 255 LS3 CNC Ported Aluminum Cylinder Head LSx .650 lift. This head is suggested more for 351W engines, but can be used on the 289/302 using a head bolt adaptor kit. Which Vehicles Had GT40 Heads? 3. New New New. . Remember, the valve spends way more time between .200 and .500 than at any other lift and these heads really flow in that . Torque in . This is topic ported gt40 iron flow numbers in forum General Talk at Northern California Ford Owners . but still I wouldnt expect more than . Overall I'd rather go with the standard gt40's. much less fitment issues and more overall capibility. 86 Lincoln Town Car Stock air flow on this head tops out at 190 cfm intake and 128 cfm exhaust. The GT-40P head; however, has it's advantages too. Feb 19, 2011. I can't wait to get to a dyno to see the torque and HP curve. What engines came with GT40 heads? Get your 2014 Ford Fusion back in shape with a new Air Flow Meter/Sensor today! These are good heads for stock 302/289 heads but compared to the 351W would be a little bit of gain. I could get higher peak numbers if I wanted to work more on the intake runners but that wasn't where I wanted to improve when I started the work. Lawrence, Kansas. . GT40P cylinder heads use an external EGR connective system . Item specifics. Must be used with correct corresponding Trick Flow lower EFI intake manifold base. STEP 3: Position the new cylinder head gasket over the guide dowels on the engine block. the capacity of the ovary to provide egg cells that are capable of fertilization). If you can find some P heads for similar prices to the 40s, you'd do well to go with them methinks. (stock E7TE flows 155@.500, stock GT40p flows 195@.500) Exhaust flowed 145cfm@.300, 154@.400, 156@.500, 158@.600. They flowed 210cfm@.400, 219@.500, 217@.600 on the intake. Posts: 240. 650 holley double pumper. Hardware: Varies Rocker Mount Type: Press in stud Runner Volumes: est 140cc int. My goal is 275rwhp. A word of caution though: just behind the valve guide and in front of the thermactor divot is a water jacket, so be careful in this area. Used set of Canfield Cylinder Heads for a 1987-1995 Ford Mustang 5.0L GT40 Cobra 302 351. Edelbrock Cylinder Head E-Series E-205 205cc 2.08" Intake/60cc 1.60" Exhaust Pair For Mechanical Flat Tappet/Hydraulic Roller Camshaft 289/302/351W $1,699.95 SEE DETAILS AFR Cylinder Head Competition Aluminum 195cc Intake 72cc Chambers Stud Mount With EGR Pair 289/302/351W $2,223.00 SEE DETAILS $1,367.95 SEE DETAILS As you can see from the flow numbers, any of these aftermarket aluminum cylinder heads will really wake up that 5.0L slumbering beneath the hood. Are GT40 or GT40P heads a bolt on for my '65 289 A-code motor? Trick Flow Cylinder Head Twisted Wedge 11R 190cc Intake 2.055/1.60 Valves Dual Springs 56cc Chambers Street Port 289/302/351W AFR Cylinder Head Aluminum 220cc Intake 7/16 Stud 72cc Chambers Without EGR Pair 289/302/351W. Levesque, Universit Laval, Institut de biologie intgrative et des systmes (IBIS) Department, Faculty Member. Lot #76,083.