Find many great new & used options and get the best deals for Mac Headers 50158 79-93 Mustang Gt40p Heads at the best online prices at eBay! Free shipping for many products!. I am aware that new springs would be needed to accommodate the lift. Best cam for GT-40. The Adcole report said the lobe lift on the intake side ranged from. Best of all these MAC Mustang Headers are 50-state smog legal under Carb EO# D-241-4. Looking to do the following mods: injectors 24s??? Valve springs Roller rockers double timing chain long tube headers h-pipe flowmasters not sure what cam to use. Still run well. By: JUAN from TX. GT40 HEAD Intake 192 Exhaust 128. Joined Jan 31, 2008 · 16 Posts. i have ported with 3 angle valve job on my gt40 original heads and right now im running with an e303 cam but im thinking a single pattern cam is like what ive read around outdated. Afr heads ford 302. WA, Australia. Im about to install a set up GT40p heads. I replaced the GT40 heads with GT40p's, also dropped a cam (small lift/495), roller lifters, rockers and flat top pistons in it. 60 with this cam. #73926K1 Valve Spring Kit for GT40/GT40P Part #73926K1 is a. Cam is Lunati barebones cam (. Find many great new & used options and get the best deals for Mac Headers 50158 79-93 Mustang Gt40p Heads at the best online prices at eBay! Free shipping for many products!. Some specs on the 303 cams here: 303. The new heads had a far greater volumetric efficiency at higher rpm than the standard side-oiler, which translated to big horsepower. Dyno's have shown horrible gains with the E cam, like 10hp, and stock motors with the gt40 intakes/heads and e cams barely breakin 230hp at the wheels. So ive decided what im going to do. For Heads, gt40 heads came on 5. than the regulars which bumps comression some but you either need the stock manifolds or special headers to clear the plugs. Afr heads ford 302. 55 gears, MGW short shifter, M&M subframes. possibly a 50 shot of nitrous. 444 exhaust; Duration @ 0. It's a stock rebuilt roller cam shortblock with keith black pistons, and will get gt40 irons from a 95 cobra. Going into a 73 mustang. Most motors were Ford small block, Webers or 4 Barrel Carburetor. So whats the best to use that goes with gt40p's and is cheap. Feb 18, 2011. 6 RR - 269 rwhp 14. This is one of the most common questions asked by our Ford customers. Freshly sandblasted. 0 GT40P Cylinder Heads 302 79-95 Mustang Foxbody. Outer 2 bolts of main cap bolts. Show details. i would buy the gt40p's, 24# injectors, a 65mm TB, roller rockers, an AFM cam and matching valve springs, good gaskets, studs, bolts, etc. i have ported with 3 angle valve job on my gt40 original heads and right now im running with an e303 cam but im thinking a single pattern cam is like what ive read around outdated. They have the smaller chamber also. Vehicle: 1972 2 door 302 maverick, 1986 5. GT40P's and a mild cam like Crane 2030/2031 will have you at about 200rwkwbut if you can cough up the $$$ for AFR165's, and an ebrock performer manifold (or similar) I reckon you would be more like 220rwkw with the same cam. "recommends" thier roller tip rockers for this cam. They are drilled fro 1/2" head bolts and drilled and tapped for screw in studs and guide plates (which have been installed). Give you a little idle noise. I guess if on a super tight budget and the heads are in decent shape, maybe just take the valves out clean everything up, new spring kit, and install you may be ok. This 1979-1995 Mustang cylinder head and camshaft guide will be an overview of the heads and cams that we offer and how they will coincide together. 6s or the stock 5. As for the best head for a 302 is a catch 22. 8/22/2019 Summit Racing Verified Purchase. Como cams would be another good option. Speedmaster Cast Aluminum Cylinder Head Small Block Chevy 350 w/Hydraulic Flat Tappet Cam. GT40P heads changed the angle of the plugs and it will be hard to use with stock headers. I personally know tthe GT40P heads make a difference. Location: Perth. Outer 2 bolts of main cap bolts. People dump a ton of money into modifying the old 289 heads, or even 351w heads, and stock. The gt40 p combo os great for a street car, gobs, and gobs of low end torque. Ford GT40P Cylinder Heads Work Great With a Few Mods. best stock ford ever made. I replaced the GT40 heads with GT40p's, also dropped a cam (small lift/495), roller lifters, rockers and flat top pistons in it. the only downside to the P heads is that the spark plug is angled slightly different than regular gt40 or other heads but its not a huge deal. I'm pretty sure the '83 mustang has large chamber heads with lower compression ratio (maybe 8. HEAD # F77E-AA KNOCK SENSOR IN BLOCK. The GT40p heads have the larger intake valve plus smaller 58cc combustion chambers which helps low end torque…and coupled with the larger ports will also breath on the big end. 100" oversized. 0L GT-40 "P" cylinder heads. Find many great new & used options and get the best deals for Mac Headers 50158 79-93 Mustang Gt40p Heads at the best online prices at eBay! Free shipping for many products!. Deck for around 10:1 compression. any ideas?? im. Best Cam For GTP or GT 40 Heads. I guess if on a super tight budget and the heads are in decent shape, maybe just take the valves out clean everything up, new spring kit, and install you may be ok. 0 COBRA GT40 CYLINDER HEADS. You will definitely be happy with the GT40P heads. 0l, and higher performance than stock gt40 (non-P) heads. OD Transmissions will fit?. best et 11. I would be looking at Mustang forums for Fox bodies from 79 to 93. There will be as many opinions on this as the number of people you ask but there's my take on it. Best budget cam for GT40P Heads. With a single four-barrel carb, the engine made 616 hp, but two four-barrel carbs, engines were rated a staggering 657 hp at 7,500 rpm. Im going to rip my 302 down when it blows and im gunna use the shortblock and use gt40p heads with a lower intake and custom upper intake to fit an eaton m112 supercharger. 1990 7up with gt40 crate engine, gt40x aluminum heads, cobra upper and lower intakes, E303 cam, 65mm tb, 24# injectors, 1 5/8" shorty headers, Paxton 1220 sl @ 7-9 psi (running FMU and ignition retard), UPR power pipe, stock cats and exhaust w/ Magniflow mufflers, 3. 0L that was equipped with a set of really decent GT40P style iron heads. 0 but ended up getting an Edelbrock Performer RPM retrofit instead. Fastener Type. Unless those GT40 heads have better valvesprings and some porting any cam over. You won't find a Reverse Rotation roller cam on anyone's list but they can be made if you wanted to go that route. Shorter plugs and 90 degree plug wire boots will get you by, but gt40p specific aftermarket headers are best. 1990 Ford F-150 XLT Lariat 4WD SB-Car Customization. So whats the best to use that goes with gt40p's and is cheap. Anyone know what works well with GT40P heads?. "recommends" thier roller tip rockers for this cam. If you get someone telling you a 331 is more reliable, find someone else to put the 347 together for you. Australian Muscle Parts makes a killer belt drive for about half the cost of others. HAS 'GTP' CASTED BY # 1 PLUG. HEAD # F77E-AA KNOCK SENSOR IN BLOCK. Looking at AFR 165 Heads and Cobra or other similar EFI intake. Minimum 24lb injectors and 75mm mass air. 444 lift with the stock 1. Still run well. Late-model ford GT40 and GT40P heads with 1. Posts: 484 | From: Citrus Heights. The firing order for the early 221-302 engines and the early 5. 008 (don?t hold me to that figure,, but they were shaved true) Following Information Taken From CarCraft Magazine on GT40P Heads. The alphabetical cams are ok for those engines. Jump to Latest Follow Status Not open for further replies. 7 rocker arms I dont see a problem with that at all. Location: Perth. 6 rocker baseline, and factory bottom end 79-95 related 5. 570" lift valve spring packaged with high performance Lunati valve train components, perfectly matched for Ford GT40 and GT40P cylinder heads. I'm picking up a set of GT-40 iron heads this weekend. 7 mpg doing about 65 at 2000 rpm. By: JUAN from TX. with afr 165's tfs track intake custom comp cam, full exhaust I made 320rwhp, 318 rwtq. You will definitely be happy with the GT40P heads. im estimating 270-275 to the wheels and about 310 torque. I replaced the GT40 heads with GT40p's, also dropped a cam (small lift/495), roller lifters, rockers and flat top pistons in it. Actually, for any engine its a catch 22. GT40 HEAD Intake 192 Exhaust 128. The average guy is going to run a mid low 13 with gt40p heads. It would probably be a good idea for you to pick up a set of heads off a 5. what is the best cam match up with stock gt40p heads with upgraded spring and a 3 angle valve job. 1990 7up with gt40 crate engine, gt40x aluminum heads, cobra upper and lower intakes, E303 cam, 65mm tb, 24# injectors, 1 5/8" shorty headers, Paxton 1220 sl @ 7-9 psi (running FMU and ignition retard), UPR power pipe, stock cats and exhaust w/ Magniflow mufflers, 3. YouTube "REB Auto" 1987 Coupe: Stock 5. I'm pretty sure the '83 mustang has large chamber heads with lower compression ratio (maybe 8. Ford GT40P Cylinder Heads Work Great With a Few Mods. FIREING ORDR 13726548. Gallery: 28 images. The gt40 p combo os great for a street car, gobs, and gobs of low end torque. 73, 15" Team III, firewall mod, trunk mod, trailer hitch, drivers foot box mod, front tow rings. Sep 2, 2011. It's a stock rebuilt roller cam shortblock with keith black pistons, and will get gt40 irons from a 95 cobra. WA, Australia. Shorter plugs and 90 degree plug wire boots will get you by, but gt40p specific aftermarket headers are best. Discussion Starter · #1 · Feb 20, 2010. OD Transmissions will fit?. Scorpion 1. They are drilled fro 1/2" head bolts and drilled and tapped for screw in studs and guide plates (which have been installed). Best budget cam for GT40P Heads. Like not even remotely close. Just picked up a good deal on some GT40P's to replace the stock E7's. Application. Best street cam with GT40p heads and explorer intake tjm73. Most of the more torquey cams I'm seeing are flat tappet, and I'm sticking with a roller, I was just wondering which cams you guys have used on your builds and how well they worked. REMANUFACTURED FORD 302 5. I recommend you speak to an engine builder or camshaft manufacturer for what would work best for your Mustang. So ive decided what im going to do. 6 rockers) of. 0L 4 Bar Cylinder Heads pair at the best online prices at eBay! Free shipping for many products!. Show details. One of these items ships sooner than the other. Cuz im on a crazy slim. injectors and a 77mm MAF. B cam for the win. not every cam is custom. 312-inch to. I have a set of GT40P heads for sale. 8, as long as you have MAF. 050) cam with comp's matching valve springs on my original cylinder heads. Find many great new & used options and get the best deals for OEM quality rebuilt Ford GT40P 302 5. 24# injectors. Runs good for a budget build, with plenty of low end torque. Shorter plugs and 90 degree plug wire boots will get you by, but gt40p specific aftermarket headers are best. The stock 5. If timing chain is at 10 retarded what would happen? What would be the best setting?. Best street cam with GT40p heads and explorer intake tjm73. Re: Dyno simulation, cams for GT40P'd 306. Most of the more torquey cams I'm seeing are flat tappet, and I'm sticking with a roller, I was just wondering which cams you guys have used on your builds and how well they worked. call them and ask. Posts: 484 | From: Citrus Heights. 400" (Fits: Ford GT40) 5 out of 5 stars (2) 2 product ratings - Comp Cams Pushrod Set, Fits Ford. You will definitely be happy with the GT40P heads. Afr heads ford 302. Best of all these MAC Mustang Headers are 50-state smog legal under Carb EO# D-241-4. 65mm edelbrock bbk throttle body, gt40p mid length headers Motor is a low mileage 306 short block with L2482F forged pistons trans is currently a c4, considering a aod swap. For Heads, gt40 heads came on 5. 64cc Combustion Chamber. Assembled Head. 4 3v: 264hp 317ft lbs rock stock. This is one of the most common questions asked by our Ford customers. GT40P's flow 200cfm stock, 220cfm for the Tickford versions compared with 230cfm for Edelbrocks and 245cfm for Trickflows so there is a difference but it's not huge. 0 COBRA GT40 CYLINDER HEADS. Ride: 351 Vogue,XH 5. Just check to see if the GT40p heads require pedestal or stud mounted rockers. 8/22/2019 Summit Racing Verified Purchase. Best budget cam for GT40P Heads. what is the best cam match up with stock gt40p heads with upgraded spring and a 3 angle valve job. Big-Block Chevy, LS, 481X, HEMI, FORD, DRAG WEEK, Standing Mile, Off-shore powerboat sbc 434 pro street motor, afr heads, crate motor 670 hp base SBC CHEVY PRO STREET HYDRAULIC ROLLER CAM 434 CUBIC INCH ENGINE 670HP STREET ROD SETUP. Good drivability down to 2100 rpm, lumpy idle, rpm range 2600-6200, works best with 89-93 EEC, needs 2800-300 0 converter. Im going to rip my 302 down when it blows and im gunna use the shortblock and use gt40p heads with a lower intake and custom upper intake to fit an eaton m112 supercharger. This will follow the guideline of a 1. These MAC Shorty Unequal Length Headers are designed to fit the 1986-1993 5. 64cc Combustion Chamber. People with bolt ons are dynoing right around 300 rwhp without even opening up the motor (except for cam), or porting anything. These heads have been remanufactured using refaced reclaimed Factory Valves. The GT-40Ps will give a jump in compression ratio with their smaller combustion chambers but comes with smaller exhaust valves than the earlier GT-40 heads (1. It would probably be a good idea for you to pick up a set of heads off a 5. Been mostly considering a b303 with stock 1. 6 rockers) of. They are drilled fro 1/2" head bolts and drilled and tapped for screw in studs and guide plates (which have been installed). 55 gears, MGW short shifter, M&M subframes. Cuz im on a crazy slim. , 340 HP, BOSS CRATE ENGINE WITH "E" CAM New "X2302" Crate Engine features Ford Performance's newest cylinder head, the "X2", packaged with the legendary "E" Camshaft - For… Read more M-6007-S347JR2 – Ford Performance Parts. 330-inch for both intake and exhaust. HEAD # F77E-AA KNOCK SENSOR IN BLOCK. 0L explorer, they are the gt40p casting and are one of the best flowing production 302 heads. For that the stock heads are the logical choice for me, thus I'd end up with $500+ in them with screw in studs and custom cam springs etc. 50 - 210 intake / 210 exhaust. YouTube "REB Auto" 1987 Coupe: Stock 5. 8, as long as you have MAF. The B cam will be about the same as installing the 1. they can choose a better grind than the aphabet cams that ford has. i have ported with 3 angle valve job on my gt40 original heads and right now im running with an e303 cam but im thinking a single pattern cam is like what ive read around outdated. HAS 'GTP' CASTED BY # 1 PLUG. XE258 is a nice cam but you cannot run it with GT40P heads without some real good valve springs due to the high lift. 46 exhaust Chamber Volume: 60 cc Intake Runner volume: 145 cc Valve Spring (seat) 90. Good drivability down to 2100 rpm, lumpy idle, rpm range 2600-6200, works best with 89-93 EEC, needs 2800-300 0 converter. 65mm edelbrock bbk throttle body, gt40p mid length headers Motor is a low mileage 306 short block with L2482F forged pistons trans is currently a c4, considering a aod swap. There are too many variables to add into this in regards to aftermarket. Dyno's have shown horrible gains with the E cam, like 10hp, and stock motors with the gt40 intakes/heads and e cams barely breakin 230hp at the wheels. GT40P heads changed the angle of the plugs and it will be hard to use with stock headers. #5 · Aug 3, 2011. The heads are GT40P's, and if I did it the goal would be low speed 0-30mph efficiency. Jan 25, 2010. They are drilled fro 1/2" head bolts and drilled and tapped for screw in studs and guide plates (which have been installed). If you don't set them up right the spring rate will be off, you can have the perfect spring and either have coil bind or valve float. injectors and a 77mm MAF. If you want real clean timing, go with a belt drive. Im going to rip my 302 down when it blows and im gunna use the shortblock and use gt40p heads with a lower intake and custom upper intake to fit an eaton m112 supercharger. 0 EFI swap I'm running the 35-308 with GT40P heads on a nicley rebuilt 5. im estimating 270-275 to the wheels and about 310 torque. 0L Mustangs only. possibly a 50 shot of nitrous. TFS stage 1, Lunati 51014, E cam, Crane 2031 which one guy's or is there a better cam than these out there. Aftermarket heads are strongly recommended with this cam, otherwise, you're just wasting your money. 496 lift), and matching springs (~115 lbs closed?), 1. I'm currently running an E303 cam, I have no idea what heads are in the car, but their cast iron and suck, so im not sure of the valve train and wouldnt be supprised if the springs dont match the cams lift. #5 · Aug 3, 2011. Show details. Como cams would be another good option. Going into a 73 mustang. gt40p heads that received pac spring upgrade and a 3 way valve job. 24# injectors. Most motors were Ford small block, Webers or 4 Barrel Carburetor. Conclusion. Como cams would be another good option. 65mm edelbrock bbk throttle body, gt40p mid length headers Motor is a low mileage 306 short block with L2482F forged pistons trans is currently a c4, considering a aod swap. -Stock cam (No reason to believe otherwise) I have not had a reason to pull the valve covers off yet to confirm what is in there for rockers and if those heads still have the stock valve springs or not because I have read this can be an issue with higher lift cams. I am running a 92 (mass air) camshaft, mildly ported 79 heads-very similar to E7's, 86 GT automatic ECM(SPEED DENSITY), 2. Since this will be a mild street motor, I have settled on Comp. I got headers that fit the GT40P heads but I'm not yet sure what cam to go with. (for 4 bolt main bearing caps only ) Connecting rod bolts. Ships from and sold by Amazon. FREE Shipping. Afr heads ford 302. 0 motor with the gt40p heads,my 92 mustang hatchback runs 12. The stock 5. Stage 1 is the magic cam for P heads. GT40P's and a mild cam like Crane 2030/2031 will have you at about 200rwkwbut if you can cough up the $$$ for AFR165's, and an ebrock performer manifold (or similar) I reckon you would be more like 220rwkw with the same cam. TFS stage 1, Lunati 51014, E cam, Crane 2031 which one guy's or is there a better cam than these out there. Have the lower intake port matched to a pair of X303 GT40 heads. 500" lift at 28 inches of water, all numbers are cfm. 496 lift), and matching springs (~115 lbs closed?), 1. With a single four-barrel carb, the engine made 616 hp, but two four-barrel carbs, engines were rated a staggering 657 hp at 7,500 rpm. 444 intake /. Part # : GT40P , F77E , Description : (2) Rebuilt GT40P 4 BAR (angle plug) Cylinder Head Assemblies with Rocker Arms. Assembled Head. Comp Cams Pushrod Set, Fits Ford High Energy 6. This item: COMP Cams 4732 11/32 Arbor/Pilot for Spring Seat and Valve Guide Cutters $36. Total price: $108. than the regulars which bumps comression some but you either need the stock manifolds or special headers to clear the plugs. 498" which is well wthin the specs. A basic Understanding. The firing order for the early 221-302 engines and the early 5. The car will be drag raced only. Feb 18, 2011. Valve Sizes: 1. Cam is Lunati barebones cam (. Joined Apr 19, 2008 · 2,633 Posts. They may not even hold up to a 5. Ride: 351 Vogue,XH 5. I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. Firing Order, Small Block & SVO. It's a stock rebuilt roller cam shortblock with keith black pistons, and will get gt40 irons from a 95 cobra. injectors and a 77mm MAF. If your husband wants to run 1. Since this will be a mild street motor, I have settled on Comp. Posts: 484 | From: Citrus Heights. This is a SET of Rebuilt GT40P 5. I got headers that fit the GT40P heads but I'm not yet sure what cam to go with. (40-45 ft-lbs. ROLLER CAM. 050, 110 LSA,. Add all three to Cart Add all three to List. gt40p heads that received pac spring upgrade and a 3 way valve job. GT40 HEAD Intake 192 Exhaust 128. Remanufacturing Process Includes:. 7's will really help the E303 cam out alot. 7173mustang. Just picked up a good deal on some GT40P's to replace the stock E7's. So what do you guys feel is the best iron head on the market, or what do you think the best head for value. Total price: $108. I want it to have a smooth idle, decent low end power, emissions friendly, work with the stock AFR valve springs and of course put 300+ horsepower to the crank. Sep 2, 2011. Best cam for GT40P heads. Best cam for GT-40. I am aware that new springs would be needed to accommodate the lift. Your E303 cam has a lift (assuming 1. 46 versus 1. they dont charge for that. I'm pretty happy with that kind of mileage and I built the rig to get decent mpg. remember that the P head has a slightly different exhaust flange shape and headers must state they fit the P head to work. 5 speed car. Why: Late 5. Going into a 73 mustang. 0 HO cam in your foxbody Mustang (for the most part) is: Lift -. The afr combo I built makes more hp but less torque. The stock 5. I want it to have a smooth idle, decent low end power, emissions friendly, work with the stock AFR valve springs and of course put 300+ horsepower to the crank. ($135+ thru Summit)Or I can get a new set of self aligning stamped steel rockers from GM for about $50 & some change. How To Upgrade Your Ford GT40P Heads. 84-inch intake valves will also flow 185 cfm at. What year 3spd. There will be as many opinions on this as the number of people you ask but there's my take on it. (40-45 ft-lbs. Check latest Z303 prices. These aluminum big block cars all had easily removable door roof sections. not every cam is custom. I'm pretty sure the '83 mustang has large chamber heads with lower compression ratio (maybe 8. I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. 7 rockers on the stock cam. YouTube "REB Auto" 1987 Coupe: Stock 5. Tell me the cam that you like the best & what your total combo was and the cam specs if you know them and if you ran 1. Recommend 3. what is the best cam match up with stock gt40p heads with upgraded spring and a 3 angle valve job. You can pick up B and E alphabet cams cheap, but they're 20 year old technology. ROLLER CAM. 40P's have an almost 90 degree (from the side of the head) spark plug angle which makes for spark plug/header clearance problems. This item: COMP Cams 4732 11/32 Arbor/Pilot for Spring Seat and Valve Guide Cutters $36. The E303 cam will work for a 5. I believe that its to 97 1/2 that the explorers had the unmilled GT40 heads on them, your 347 will work with the e303 cam, but if i remeber correctly thats their smog legal cam which is not going to give you the big power numbers if your looking to stay with Ford Racing stuff i think is a B303 or something by Trick Flow for a cam would probally work out better for power production, with a 347. (40-45 ft-lbs. Joined Jan 31, 2008 · 16 Posts. Especially the GT40P's-which IIRC came on explorers, but had 7/16" head bolt holes rather than 1/2" (351 uses 1/2" 302 is 7/16"). Most of the more torquey cams I'm seeing are flat tappet, and I'm sticking with a roller, I was just wondering which cams you guys have used on your builds and how well they worked. According to the manufacturer specs, the Le Mans cam had a lobe lift of. Still run well. The car dynoed at 195. These heads have been remanufactured using refaced reclaimed Factory Valves. A set of race-ported 351W C5AE heads will net you a whopping 215 cfm. Understanding GT40 Cylinder Heads. TFS-51403001. 40P's will need porting and bigger valves to approach the flow of 40X's. Cuz im on a crazy slim. 65mm edelbrock bbk throttle body, gt40p mid length headers Motor is a low mileage 306 short block with L2482F forged pistons trans is currently a c4, considering a aod swap. Flownumbers for three heads at. By: JUAN from TX. WA, Australia. 46" 50 State Smog Legal: No Notes: * For new. 0L V8 Mustang's stock HO cam, rated at 0. X303s work well also but a split pattern seems to work even better with these heads. Shorter plugs and 90 degree plug wire boots will get you by, but gt40p specific aftermarket headers are best. posted 2009-09-02 03:31 AM. than the regulars which bumps comression some but you either need the stock manifolds or special headers to clear the plugs. Going into a 73 mustang. Why: Late 5. I guess if on a super tight budget and the heads are in decent shape, maybe just take the valves out clean everything up, new spring kit, and install you may be ok. Discussion Starter · #1 · Apr 21, 2009. comp 270S or 282S cam. I want it to have a smooth idle, decent low end power, emissions friendly, work with the stock AFR valve springs and of course put 300+ horsepower to the crank. Estimated to ship direct from manufacturer in 24hrs. 050, 110 LSA,. I'm putting together a roller motor out of an 2000 explorer. Re: Best cam for 5. 0-liter V-8s used cast-iron GT40 and GT40P heads, both good castings for a street car. Best budget cam for GT40P Heads. P heads and a Stage 1 have been proven to be a 12 second combo around here time and time again. Just a truck. Stage 1 is the magic cam for P heads. that will probally have more hp and be a broader cam and cost the same as. Most of the more torquey cams I'm seeing are flat tappet, and I'm sticking with a roller, I was just wondering which cams you guys have used on your builds and how well they worked. You can do that with the stock heads and the right bolt ons etc. Re: Dyno simulation, cams for GT40P'd 306. Setup will be as follows. That really is pretty decent power from stock E7 heads, and stock cam. b303 with stock stamped rockers. Freshly sandblasted. 5 compression ratio running stock Mustang EFI into a 5 speed ZF, 4:11 locker turning 37" KM2s. 312 lobe lift. Assembled Head. Jump to Latest Follow Status Not open for further replies. 0 but ended up getting an Edelbrock Performer RPM retrofit instead. Kevo88 said: GT40p heads flow a lot better than factory 302 heads found in mustangs. Anyone know what works well with GT40P heads?. 0 GT40P Cylinder Heads 302 79-95 Mustang Foxbody. (new car) I believe the E cam has a. Roller rockers (maybe). OD Transmissions will fit?. Just picked up a good deal on some GT40P's to replace the stock E7's. 302, GT40P Heads, E cam, 4 into 4, Holley 600, Mallory Unilite, Levy SD T5, 3. You can run a good amount of power with speed density, E7 heads and a stock HO cam and computer. Posted on May 07, 2014 by promarengine. Sell the Extrude honed stock intake. Late-model ford GT40 and GT40P heads with 1. Im running ported gt40p heads, ported gt40 intake, stock bottom end 302, longtubes, c4 trans,410s,3200 stall. with gt40p's anderson cam, cobra intake, bigger tb, full exhaust, and pullies I made 299rwhp 329 rwtq. HEAD # F77E-AA KNOCK SENSOR IN BLOCK. (40-45 ft-lbs. GT40p heads Here's what I'm thinking for the finished product: Bottom end: ARP fastners, hyper flat top pistons, high volume oil pump, double roller timing chain, otherwise stock. There will be as many opinions on this as the number of people you ask but there's my take on it. Topic: best cam for ported gt40p heads? 83notcher ¯ Member # 12608 posted Trying to decide on a cam for my coupe. 7 roller rockers and a HO cam on a stock GT short block. HAS 'GTP' CASTED BY # 1 PLUG. Just curious as to what kind of performance this combination yields on an otherwise. By: JUAN from TX. Australian Muscle Parts makes a killer belt drive for about half the cost of others. 1990 7up with gt40 crate engine, gt40x aluminum heads, cobra upper and lower intakes, E303 cam, 65mm tb, 24# injectors, 1 5/8" shorty headers, Paxton 1220 sl @ 7-9 psi (running FMU and ignition retard), UPR power pipe, stock cats and exhaust w/ Magniflow mufflers, 3. doesn't need it either. These heads have been remanufactured using refaced reclaimed Factory Valves. Looking to put together a budget build for just a daily driver. No swirl numbers available. motor will be going into a smog exempt 72 maverick, so smog is no issue. not every cam is custom. So whats the best to use that goes with gt40p's and is cheap. 15" hardened pushrods, hosed up my 70W heads and saw some new/bare/iron GT40P's for $200 on eBay. I want it to have a smooth idle, decent low end power, emissions friendly, work with the stock AFR valve springs and of course put 300+ horsepower to the crank. Location: Perth. HAS 'GTP' CASTED BY # 1 PLUG. Here are the specs on my engine: E 303 cam, 331 stroker kit, GT40P heads (58 cc's), GT40P intake upper and lower, Pistons set 10,000 in the hole, 1. comp 270S or 282S cam. Best street cam with GT40p heads and explorer intake 7173mustang. Im going to rip my 302 down when it blows and im gunna use the shortblock and use gt40p heads with a lower intake and custom upper intake to fit an eaton m112 supercharger. 0L 4 BAR Cylinder Head Assembly's. For some reason 320 keeps sticking in my mind as a good target. 6 rockers) of. Most of the more torquey cams I'm seeing are flat tappet, and I'm sticking with a roller, I was just wondering which cams you guys have used on your builds and how well they worked. 0L explorer, they are the gt40p casting and are one of the best flowing production 302 heads. (new car) I believe the E cam has a. I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. You need the correct tool to measure how many shims you need. Have the lower intake port matched to a pair of X303 GT40 heads. Best cam for GT40P heads. They are drilled fro 1/2" head bolts and drilled and tapped for screw in studs and guide plates (which have been installed). Dyno's have shown horrible gains with the E cam, like 10hp, and stock motors with the gt40 intakes/heads and e cams barely breakin 230hp at the wheels. (40-45 ft-lbs. Comp Cams Pushrod Set, Fits Ford High Energy 6. So ive decided what im going to do. 6 rocker baseline, and factory bottom end 79-95 related 5. 0 EFI swap I'm running the 35-308 with GT40P heads on a nicley rebuilt 5. If you don't set them up right the spring rate will be off, you can have the perfect spring and either have coil bind or valve float. HEAD # F77E-AA KNOCK SENSOR IN BLOCK. For some reason 320 keeps sticking in my mind as a good target. This is a very good cam for a 5. i'm not sure if your summit headers will work. Feb 18, 2011. Only 6 left in stock (more on the way). Actually the GT40's are "probably" a better head than any of the normal production heads. The way i see it, any time with those heads that starts with a 12 is a victory. Like what was mentioned before it is the marriage between the intake, cam, head, compresion, timing events, and exhaust. The first car, GT40P-1090, had an open-top in place of roofed doors. Aftermarket heads are strongly recommended with this cam, otherwise, you're just wasting your money. Top end: Gt40p heads, port matched. I'm going to get a tfs cam for the block I'm building. 7x roller rockers, 8. These heads have been remanufactured using refaced reclaimed Factory Valves. 84 intake 1. Heads have also been shaved 0. "recommends" thier roller tip rockers for this cam. 50-inch lift, but flow more than the 289 heads at all other lift ranges. 0L 4 BAR Cylinder Head Assembly's. Valve Sizes: 1. So ive decided what im going to do. 5" exhaust, stock HO upper/TB. My dad's untuned E cam E7 head mustang has some low speed bucking. 5 compression ratio running stock Mustang EFI into a 5 speed ZF, 4:11 locker turning 37" KM2s. Actually, for any engine its a catch 22. When combined with headers, a cam, valve springs, and a decent intake, either of those heads can support more than 300 horsepower. 0L GT-40 "P" cylinder heads. After researching most stock and aftermarket heads, I believe the best value and price for me are the GT40P heads. Like not even remotely close. Afr heads ford 302. Lowest Price Guarantee. A basic Understanding. Tell me the cam that you like the best & what your total combo was and the cam specs if you know them and if you ran 1. Dyno's have shown horrible gains with the E cam, like 10hp, and stock motors with the gt40 intakes/heads and e cams barely breakin 230hp at the wheels. 0L 4 Bar Cylinder Heads pair at the best online prices at eBay! Free shipping for many products!. Your E303 cam has a lift (assuming 1. I keep hearing that the E303 cam does not idle very smooth. than the regulars which bumps comression some but you either need the stock manifolds or special headers to clear the plugs. any ideas?? im. Deck for around 10:1 compression. 0 HO cam in your foxbody Mustang (for the most part) is: Lift -. The World Heads are an excellent head for a cast iron head, They are amongst the best CI heads out there for a SBF Now-1) Dont do a 331; you can do a 347 for close to the same money and they are worlds apart. So whats the best to use that goes with gt40p's and is cheap. You can pick up B and E alphabet cams cheap, but they're 20 year old technology. Unless those GT40 heads have better valvesprings and some porting any cam over. 012 cc recessed pistons, all together. 100" oversized. 6 rockers) of. beartoothweb · Big Sky Builder. Recommend 3. 0 HO cam with 1. Port work is a variable on any head, how well it's done makes all the difference. 312-inch to. These can be found on Mustang Cobra's or i think the year was a 95 5. If you get someone telling you a 331 is more reliable, find someone else to put the 347 together for you. Still run. So whats the best to use that goes with gt40p's and is cheap. 0l, and higher performance than stock gt40 (non-P) heads. , 340 HP, BOSS CRATE ENGINE WITH "E" CAM New "X2302" Crate Engine features Ford Performance's newest cylinder head, the "X2", packaged with the legendary "E" Camshaft - For… Read more M-6007-S347JR2 – Ford Performance Parts. Give you a little idle noise. Scorpion 1. You can pick up B and E alphabet cams cheap, but they're 20 year old technology. The GT40p heads have the larger intake valve plus smaller 58cc combustion chambers which helps low end torque…and coupled with the larger ports will also breath on the big end. 496 lift), and matching springs (~115 lbs closed?), 1. The gt40 p combo os great for a street car, gobs, and gobs of low end torque. These MAC Shorty Unequal Length Headers are designed to fit the 1986-1993 5. It just needs a special header, and all of the smog pump stuff has to go for the F150 application. RockCrusher · Registered. 7 rockers with it. I decided instead of asking about a particular cam that I found, I would ask those of you who have ran the GT40 irons with different cams over the years and see if there was one particular cam that worked extemely well in a GT4o headed combo. I'm pretty happy with that kind of mileage and I built the rig to get decent mpg. I got headers that fit the GT40P heads but I'm not yet sure what cam to go with. I have some gt40p heads that I was going to enlarge the head bolt holes so they would fit a 351w. The larger ports work best at high rpm because that's where we have air velocity, which makes torque. car idles very well, has a decent enough torque to move a full weight gt. GT40p heads Here's what I'm thinking for the finished product: Bottom end: ARP fastners, hyper flat top pistons, high volume oil pump, double roller timing chain, otherwise stock. We pulled it from the junkyard and added a Lunati hydraulic roller cam, some head mods. B cam for the win. Here are the specs on my engine: E 303 cam, 331 stroker kit, GT40P heads (58 cc's), GT40P intake upper and lower, Pistons set 10,000 in the hole, 1. 69 351W HEAD Intake 181 Exhaust 114. 7 roller rockers and a HO cam on a stock GT short block. 55 gears, MGW short shifter, M&M subframes. 0L Mustangs only. posted 2009-09-02 03:31 AM. I'm going to get a tfs cam for the block I'm building. they can choose a better grind than the aphabet cams that ford has. and i was going to go with a exhaust biased duration cam like an anderson n-21, or maybe a crower cam. For some reason 320 keeps sticking in my mind as a good target. im estimating 270-275 to the wheels and about 310 torque. with gt40p's anderson cam, cobra intake, bigger tb, full exhaust, and pullies I made 299rwhp 329 rwtq. Going into a 73 mustang. Basically the 40P's are iron and the 40X's are ally. The way i see it, any time with those heads that starts with a 12 is a victory. Ships from and sold by Amazon. Shorty headers, a H-pipe and a 2-1/2" Cat-back exhaust system. Still run well. HAS 'GTP' CASTED BY # 1 PLUG. These aluminum big block cars all had easily removable door roof sections. Just a truck. -Stock cam (No reason to believe otherwise) I have not had a reason to pull the valve covers off yet to confirm what is in there for rockers and if those heads still have the stock valve springs or not because I have read this can be an issue with higher lift cams. Posted on May 07, 2014 by promarengine. If you want real clean timing, go with a belt drive. They have the smaller chamber also. GT40P HEAD Intake 196 Exhaust 139. 0 GT40P Cylinder Heads 302 79-95 Mustang Foxbody. 7173mustang. Flownumbers for three heads at. 5" exhaust, stock HO upper/TB. than the regulars which bumps comression some but you either need the stock manifolds or special headers to clear the plugs. Jump to Latest Follow 1 - 12 of 12 Posts. I have a dyno printout for 241 / 295 to the wheels. Your E303 cam has a lift (assuming 1. GT40P heads changed the angle of the plugs and it will be hard to use with stock headers. Comp Cam Triple Valve Springs Valves were custom ground triple grind Heads were shaved. I have a 79 block,. Joined Jan 31, 2008 · 16 Posts. Still run. If you get someone telling you a 331 is more reliable, find someone else to put the 347 together for you. Going into a 73 mustang. 321-inch while the exhaust side ranged from. 5" exhaust, stock HO upper/TB. It just needs a special header, and all of the smog pump stuff has to go for the F150 application. Re: Dyno simulation, cams for GT40P'd 306. 40P's have an almost 90 degree (from the side of the head) spark plug angle which makes for spark plug/header clearance problems. F cams seem to work best with forced induction. So ive decided what im going to do. The gt40 p combo os great for a street car, gobs, and gobs of low end torque. As the title states, I am inquiring about first hand knowledge of GT40P heads with 1. This kit was installed on my GT40P heads without any machining and is rated for a lift of. Discussion Starter · #1 · Feb 20, 2010. 1988 Mustang GT 2005 Nissan Titan 2003 Nissan 350z. I am running a 92 (mass air) camshaft, mildly ported 79 heads-very similar to E7's, 86 GT automatic ECM(SPEED DENSITY), 2. There will be as many opinions on this as the number of people you ask but there's my take on it. X303s work well also but a split pattern seems to work even better with these heads. Like not even remotely close.