These heads have been remanufactured using refaced reclaimed Factory Valves. this is the price for one head. Good Luck.
Ford 302W / 5.0L History & Specifications - The Ranger Station Really hurt too. No-option stripper- I like strippers. As noted, this is looking like hes building a 351 Lightning truck motor, which is a good way to go. You didnt mention the car this engine is in, but lets assume there is enough room to remove the radiator and any other coolers and perhaps some or all of the front grille and/or brackets before the cam has sufficient room to exit the front of the engine. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Early Windsors tend to have fairly restrictive exhaust manifolds, making the addition of a set of headers that much more efficient. Gt40 heads/intake from a jy explorer, leave the . I was thinking the same but the enforcers are $647ea now so $1400 (inc tax) is the entry price for good set of heads. As with Chevrolet's small-block engine, the aftermarket has had dozens of years to expand the range and reduce the cost of the parts they offer for this engine. Eldelbrocks Air Gap intake manifold should work well with the combination.
What Cam and Springs to Use for GT40 Heads That's more than enough to feed a power-brake booster. 302 .030 over with; Scat Forged Steel Rods, SpeedPro pistons and rings . (Image/Harrison Creamery). many thanks to all you eco-hippies giving me dirty looks and helping me feel llike an overall badass rebel.
timing and compression ratio with gt40p heads - Modded Mustang Forums You will have to address the 50 oz balance of the 5.0 engine by getting a 50 oz flywheel. Dec 8, 2011. The factory heads have a boss for the exhaust valve that restricts flow through the exhaust port. You can find them on later model Mercury Mountaineers and several other Ford SUV applications. Posted on May 07, 2014 by promarengine. We decided to test both ideas, so we ordered two roller cams from Lunati: a shorter-duration cam that would deliver decent idle vacuum and maybe make around 320 to 335 hp, and a longer-duration version that might push the horsepower up to perhaps 350 hp. A forum community dedicated to Ford performance owners and enthusiasts. The heads also required some machine work, including screw-in studs, guideplates, and widening the spring pockets for bigger valvesprings. Because of this, your tuneup will probably need to be modified. Build Thread 1965 Fastback Project "Racesteed". Now he serves as a regular contributor to OnAllCylinders. A mild porting with gasket matching will be very good. If we subtract the 20 hp that the fan is worth, we end up with a gain of 25 hp. I've got gt40p heads for it I'll be running, and can't afford better . Yeah, out of a bolt on upgrade, you'd probably be looking at 260-280rwhp ish with supporting mods. Similar to regular GT-40 heads, the biggest difference between the two is that the P-heads feature a revised spark plug angle which extends the plug into the combustion chamber, putting the flame front close to the absolute center of the chamber, resulting in a smoother combustion process. HAD '82 GT monochromatic (red).black cloth HAVE Rowe studied engineering, philosophy and American literature at Central Florida Community College. The GT40 and GT40P cylinder heads are highly sought after, but how do they stack up against other cylinder heads, and is it worth it to upgrade the Fox Body's stock heads? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. However I think the opportunity window is slowly closing. Add a distributor designed for a carbureted 302 but make sure to install the correct distributor gear for your cam.
GT40P heads? how hard to put on? how much HP and torque? Gt40/gt40p Heads On A 351w Questions - StangNet United Engine and Machine sells cheap but decent pistons that will do what you're wanting. Take the assembly to a machine shop to have it balanced and install it in the block. I'm running stock GT40 heads with stock 4.000 bore on cylinders and a Lunati cam with 256/262; Duration @ .050 (Int/Exh): 213/219; Gross Valve Lift (Int/Exh): .483/.499; LSA/ICL: 112/108. SB Ford GT40P Drop In Valve Springs Kit, Hyd Roller w/ Stock Cam, .450" lift and below. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Step 2. Cloudflare Ray ID: 7a2e2d95dedea1e4 Ford GT40P 302 5.0L 4 Bar Cylinder Head Assembly Pair w/ 1/2" Head Bolt Hole. Stock 1989 5.0L HO pistons will work if you can find them. Im a different animal. Definitely going to use my P heads. that is a healthy budget deal. The '00 Ford Explorers and Mercury Moutaineers were factory equipped with one of Ford's better 5.0L motors. any input is apprecciated:smartass: Thank you for the info, if all I have to worry about is the plugs then I'm in good shape hahaha. Using the manufacturer recommended springs for your camshaft are a safe bet. They were located in Tahachapi CA, and were sold with upgraded springs for $650.00, back in 2002-2003 ish. Holley 670 street avenger carb.
1996-2001 Ford Explorer 5.0L V8 Specifications This test went so well that we were eager to see what the slightly bigger cam would do. We've seen what happens from previous Ford experience when power levels above 500 hp tend to either pop head gaskets or saw blocks in half. i know a guy who used to build race engines so he has all the right tools, how much would it help to get the heads ported and polished or anything else he could do to them. 1979 Indy 500 Pace Car. Not sure how they would mate up to your existing exhuast, but otherwise they should work. With the GT-40P heads you will need to back off the timing a couple degrees and bump up the fuel pressure. These engines came with the GT40P head, which even with its small valves, offers really good performance.
And remember ENGINES have been being built/rebuilt/modified for years. Install a "wet" nitrous plate system (which carries both nitrous and fuel) onto the intake manifold and jet it conservatively for a 100 horsepower shot. We decided on a Powerstar kit from Nitrous Supply, owned by our good friend Mike Thermos, who was one of the original nitrous kit suppliers back in the early '80s. Everything fits, use the stock rockers and pushrods. We were cruising the 'yard a while back and located a 2000 Ford Explorer with an EFI 5.0L V-8 engine. The GT40 heads are a bit more versatile, working with the 5.4 and 6.8, while the GT40P (Explorer/Mountaineer) heads will only work on the 6.8 due to an interference issue. The 5.0L with the GT40 head had a 9.0:1 compression, and the 5.0L with the GT40P head had 9.1:1 compression. A trip to Orlando Speed World provided us with updated quarter-mile times. The GTp heads are like GT 40's with smaller combustion chambers and the spark plugs are relocated for a more efficient burn. Torque on the other hand isnt something to write home about. As a matter of fact, Central Coast has an '89 coupe with GT-40P heads that has run a best of 11.98 in the quarter-mile. You need to check. I plan on running a AFM b31 cam too which has relatively small duration for the intake valve. I view the GT40P heads similar to Granada brakes. Assuming this will be a daily driver engine, a short duration camshaft, especially when combined with a four-barrel dual plane intake manifold and headers, will deliver extremely snappy throttle response and the whole combination will increase the torque and peak horsepower by somewhere in the neighborhood of 20 to perhaps 35 horsepower. There are literally a dozen or so camshaft companies that offer a mild hydraulic roller cam for a 5.0L Ford. That carbureted GT40P motor made 465 on th engine dyno with a .500" 239/244 camshaft, Holley 650 carb and Weiand Stealth intake. 68 XR7 & 68 M-100. The Fora platform includes forum software by XenForo. As a final goal, we decided to bolt on a simple nitrous system and see if we could push this little small-block Ford to make some real power. You keep stock drivability, and stock gas milage if you can stay out of boost. 1986 Short block with notched pistons. I'll save the effort and lighten my front end by 50# with aluminum. Not *as* good as the GT40p heads, but I'd prefer to not have to worry about exhaust fitment issues, or have a narrow range of what I can work with.
LOW-BUCK 302 FORD HEAD UPGRADE - YouTube The SUV indicated barely 120,000 on the clock, and after yanking the valve covers to judge the engine's condition, Tim Moore instantly made the decision to do the boneyard version of a smash-and-grab. 1983 Mustang G.T. Im running stock GT40 heads with stock 4.000 bore on cylinders and a Lunati cam with 256/262; Duration @ .050 (Int/Exh): 213/219; Gross Valve Lift (Int/Exh): .483/.499; LSA/ICL: 112/108. I got lucky and found a complete Explorer GT40P engine online. 69.90.139.244 Small Block Ford 289/302/5.0L/351w 180cc/60cc Aluminum Cylinder Head E42004. It's an 86 roller 5.0 engine that had a recent rebuild sometime in the past with keith black pistons, otherwise stock. SBF FORD Aluminum Cylinder Heads 302 /351w 190cc 62cc 2.02 /1.60 For ROLLER CAM. JUNKYARD GT40P HEADS-ADD 30+ HP TO YOUR 5.0L (FOR FREE?) Your IP: by travis Sun May 03, 2020 8:33 am. how hard to put on? Many years ago, a friend bought a used 2001 Mercury Mountaineer 5.0L that was equipped with a set of really decent GT40P style iron heads. I would like to know what heads, cam and intake manifold combination to use for the most HP I can squeeze out of that motor. We are offering a pair of original Ford Cobra 5.0 GT40 cast iron cylinder heads. What did the heads flow? I got a GT40P off the assembly line years ago. 1 - 7 of 7 Posts. You just want to keep it out of detonation. I love my setup and it is very strong engine. The 2 heads are about the same when looking at the numbers with the GT40p heads having a slight edge. Common sense would suggest that with the heavy lifting complete and the old cam removed, by not installing the new roller lifters along with the camshaft could be asking for the possibility of trouble just a few thousand miles down the road. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Depends on the budget. Both have very similar valve sizes, but the GT40P head has slightly larger combustion chambers for a small bump in compression and better flow. I'm running BBK un-equal length shorty's, and I'm able to get all the plugs in, tight, and all plug wires on. Because of this, your tuneup will probably need to be modified. The Fora platform includes forum software by XenForo. Nudge us with emails, and we'll make it happen. The multiple-layer steel construction allows the gasket to conform to movement between the cylinder head and block while maintaining a good seal. Real world data seems to show that GT40 or GT40P cylinder heads, assuming no other mods on your Foxbody, are good to add anywhere between 20-40 HP (over stock heads). As you might expect with more duration, the idle quality dropped significantly but was still able to make 11.5 inches of vacuum at 980 rpm. Its funny no one mentioned anything about ignition timing or components, Your email address will not be published. Test 1: 750-cfm carburetor, dual-plane intake manifold, and stock camshaft. You will have to get special headers to fit these heads since the spark plugs are angled differently than normal 5.0 heads. Install a set of 1.7:1 roller-tipped rocker arms on the heads.
at the crank. 68stang351 Founding Member May 16, 2002 850 Related Resources Mustang Generation Nicknames: What Do They Mean? As with all head installations, check piston-to-valve clearance before final startup. Like I said lots of options.
GT40P heads, 302 and Victor Jr. intake: - Factory Five Racing Forum There is a better way. Very true about finding them at the local yards. Ford Factory 5.0 Performance Cylinder Heads. I ran the Speed Pro L2488 pistons and it had me around 9.9 compression with a .041 head gasket, Now I had GT40 heads milled .020 and so that's just a guess on the CC. Skip to main content. This is just a quick overview of the changes that need to be done.
GT-40 heads HP increase | Mustang Forums at StangNet Last Edit: January 18, 2015, 12:05:31 pm by businesstrader Logged shaunp. Late-model ford GT40 and GT40P heads with 1.84-inch intake valves will also flow 185 cfm at 0.50 . Im now thinking of adding a cam to match the carb. They fill that spot between power and budget. If you dont feel comfortable doing this higher a pro. 950.00 us a set and will ship . i've got a short block started, and i recently came across a set of GT40P heads for FREE ( love family members). At the dragstrip, we gained two-tenths and 2 mph. We took the heads to Mike Slover of Slover's Porting Service in Sun Valley, California, to do this work, plus some basic pocket-porting to improve flowespecially on the exhaust side. Save narve00 Cant wait to try um out. Holten runs the factory fan, but he had removed it when he ran the 12.63. Plus you will need to drill all the head bolt holes out as the 351W uses larger head bolts. If you're not a header kind of guy, the repro 289 HIPO manifolds bolt up to the GT40P heads with plenty of spark plug room. But the part about a cam replacement possibly being a labor intensive undertaking is correct. Aside from the cost of the nitrous itself, this setup should cost you little more than a stock rebuild using all brand new parts. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. i have a question once i get the gt40p heads from the explorer truck can i also take the exhaust manifolds or headers and fit them in my 66 mustang:?:!?!?!?
Speedmaster PCE281.2046 Small Block Ford Aluminum Cylinder Heads 62cc Seriously though if you're not planning on an all-out attack for HP, I'd consider a forged piston out of Probe's SRS line-up. I'd get the gt40 setup, and put an s trim on it. Those are really good numbers. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I guess I had it backwards, sorry about that, didn't mean to spread misinformation. AFR 165 Heads | Have options for pedestal mounted rocker arms or stud mounted rocker arms. P-heads have a smaller combustion chamber at 59cc, which will bump the compression ratio up on an otherwise-stock 5.0 engine. Find many great new & used options and get the best deals for FORD GT40p 4 BAR HEADS IN GOOD CONDITION w/ONE BOLT BROKEN at the best online prices at eBay!
Dyno results GT40P heads | Vintage Mustang Forums This is the main reason why these engines are not modified as much as the small block Chevy.
The fix: basic power upgrades for a sluggish 302 Yea. The question was whether we wanted a torquey small-block or a more cammed-up rpm engine to boost peak horsepower. With no other changes we gained 25 hp using factory iron heads.
FORD, SMALL BLOCK 302 HO w/ E7, GT40P & GT40 - Alex's Parts For a better experience, please enable JavaScript in your browser before proceeding. Once the headers are in place, then you can consider if you still want more power. The dyno recorded a peak horsepower reading of 489 hp, but the air/fuel ratio was slightly on the rich side at 11.5:1, so we increased the nitrous jet to a 61 and hit the button again. There are a couple of reasons for this suggestion.
We also added a veteran Ford magnetic pickup distributor and used it to drive an MSD ignition system. Over $2050 for the 165/185 renegades. I used Lightning heads on my 302, (GT40 not P) with stock rockers on a flat tappet engine. Central Coast Mustang sells GT-40P heads at a great price, making them a viable alternative in a market flooded with performance head choices. I went to a couple in Tucson and almost all the Ford vehicles that came with a 5.0 had the heads missing. Motor is going into a Ranger. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more! are you twisted331 also? - I have a 1989 f150 with a 302 5 spd.
GT-40P Heads - 5.0 Mustang & Super Fords Magazine - MotorTrend