There are literally a dozen or so camshaft companies that offer a mild hydraulic roller cam for a 5.0L Ford. Nudge us with emails, and we'll make it happen.
GT40P heads? how hard to put on? how much HP and torque? 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. A LOT of them do it these days. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Im new and Im currently building a 302 on a budget and want to raise compression without milling heads but by pistons and I want to get close to 10:1. There are caveats to this plan, however. Despite adding 30 degrees of intake duration, this cam improved torque throughout the entire test from 3,000 rpm on up. Last Edit: January 18, 2015, 12:05:31 pm by businesstrader Logged shaunp.
timing and compression ratio with gt40p heads - Modded Mustang Forums Trick Flow Mustang Valve Spring Upgrade Kit - Cast Iron Head (79-95) Not to mention, they will run circles around GT40P's out of the box. Dec 8, 2011. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The hardest part of swapping the cam was just getting the timing cover off and back on again. $139.99. If you can find individual flanged headers like the obsolete MAC headers had, those worked really well with GT40P's. The GTp heads are like GT 40's with smaller combustion chambers and the spark plugs are relocated for a more efficient burn. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Stock 1989 5.0L HO pistons will work if you can find them. Just make sure it is a roller cam. Commonly referred to as Explorer heads, GT-40P iron castings are found on current 5.0-equipped Explorers.
GT-40P Heads - 5.0 Mustang & Super Fords Magazine - MotorTrend gt40p headers | Maverick/Comet Forums 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! This is a function of the somewhat wider lobe-separation angle of 112 degrees. The reply has so many assumptions that I cant even assume to know the answer. These are some of the best castings Ford ever produced for this engine, and are still fairly cheap and available used. The spark plug issue is almost a non-issue. Took me 7 hours to do one head.but they cleaned up real nice. He'll have to get a gear for his distributor. For a better experience, please enable JavaScript in your browser before proceeding. All costing in the end at least another $2k. A good port job can set you back another $500-$1,000. What did the heads flow? I may do some port matching and a little cleanup, otherwise just a set of springs and cam and see what I have. GT40Ps have 58cc. FORD GT40p 4 BAR HEADS IN GOOD CONDITION . Well also assume that this engine is running stock exhaust manifolds. Finally, we exchanged the Explorer's EFI manifold (which is a pretty good manifold in its own right) for an Edelbrock Performer RPM Air Gap intake and a Holley 750-cfm HP-style carburetor. Not looking for crazy HP. JEGS High Performance.
351W D0OE-C heads better than GT40P\'s? - Ford Muscle Cars Tech Forum Build Thread 1965 Fastback Project "Racesteed". 1985 Mustang GT Mild 331 4bbl 5 spd, 1985 SEFI LTD LX AOD. AFR 165 Heads | Have options for pedestal mounted rocker arms or stud mounted rocker arms. Gt40 heads/intake from a jy explorer, leave the . With. At 4,300 rpm, the torque peaked at 348 lb-ft, a solid 20-lb-ft improvement, and the Lunati continued to outperform the stock cam all the way through with a peak horsepower increase of 60 hp at 354 hp at 5,700 rpm! I used Lightning heads on my 302, (GT40 not P) with stock rockers on a flat tappet engine. You can use the stock roller lifters with any size cam you want.
Worst AFR 165 dyno ever | Factory Five Racing Forum Small-block Fords and Mopars only use four head bolts per cylinder, so retaining proper head-gasket sealespecially with nitrousis a point that demands attention, so we ordered a set of Fel-Pro MLS head gaskets rather than a standard, composition gasket. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Ford GT40P 302 5.0L 4 Bar Cylinder Head Assembly Pair w/ 1/2" Head Bolt Hole. A forum community dedicated to Ford Mustang owners and enthusiasts. REMANUFACTURED FORD 302 5.0 COBRA GT40 CYLINDER HEADS. ported GT-40p, ported cobra intake, 65mm BBK, e-cam with 1.7s, longtubes, off-road x-pipe with flowmasters dumped. (its not their engine) Take the assembly to a machine shop to have it balanced and install it in the block. If you have a early 351W ie pre 76 it probably . The only failures Ive had were timing chains and a couple broken rods in a mid 80s 302 with 200,000 miles on it that got about 35 lbs of boost stuffed into it when a pop off valve I bought on ebay failed. With the GT-40P heads you will need to back off the timing a couple degrees and bump up the fuel pressure. Step 2. 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.
Ford 302W / 5.0L History & Specifications - The Ranger Station We did the installation at Holten's place of employment, Motorworks, in Longwood, Florida. With gt40p heads and 289 hipo exhaust manifolds changing sparkplugs is the same as the original 302 heads and manifolds, I use the spark plugs that are recomended for the explorer with gt40p heads and you can use straight or angled boots. made more power everytwhere and 40 hp is respectable. Someone does make the Tri-Y's headers for the early Mustangs using the "P" heads. Boy, were we surprised with the results. Central Coast Mustang sells GT-40P heads at a great price, making them a viable alternative in a market flooded with performance head choices. We will go into more detail on the head mods in a later story in Junkyard Builder, so watch for it. For additional insurance, we also added a set of ARP head studs, which are stronger and offer better thread overlap than factory bolts, which helps prevent pulling threads out of a used block. You just want to keep it out of detonation. All in all, the addition of GT-40P heads to any 5.0 Mustang is a worthwhile venture, especially if you're on a budget (aren't we all) or shooting for the Trophy Stock title. how much HP and torque? I got a set of AFR heads , night and day. Gasoline/Diesel all makes on earth & still doing it today with great pride.Feel free to contact me anytime. this head fits years 95-01 explorer mountaineer mercury mountaineer . 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. For the first test, we were reusing the stock Explorer cam, so the engine didn't need any break-in time. Location: Re: Stock Ford 351W 4bbl dyno numbers. people can stop saying that adding aftermarket cam with stock heads is a waste of time. This is what I recommend to everyone who is doing a budget 5.0 build. bmcdaniel, Feb 17, 2004 #7. v8maverick Member. The GT40 heads have thermactor holes built in to connect to the EGR/smog equipment whereas the GT40P heads use an external EGR connective system. If there isnt room without disassembling half the front clip on the car, then it might be easier to remove the engine and do the conversion that way. I am sure you have increased the bore size and possibly even the stroke a bit and spin it up pretty high in the RPM range. The combination of this cam with your intake and headers will produce a very nice street engine. I guess I had it backwards, sorry about that, didn't mean to spread misinformation.
302 heads on 351w | ClassicBroncos.com Forum Well that article just got me very ancy, I want these heads!! The longer duration created a slight loss of torque below 3,300 rpm compared to both previous cams, but beyond that mild loss of power, the bigger Voodo out-powered its smaller cousin, cranking out a peak torque of 355 lb-ft at 4,300 (a gain of 7 lb-ft over Test 2) and charging to a peak horsepower of 376 at 6,000 rpm. Small Block Ford 289/302/5.0L/351w 180cc/60cc Aluminum Cylinder Head E42004. However, stepping up in the performance head market will set you back more than $1,200 for a decent pair of aluminum castings--and that's straight out of the box, with no porting. Well assume it is a 5.0L with stock heads. Best of all, no machining is required to install these on your stock cast iron heads! by travis Sun May 03, 2020 8:33 am. this head is complete with new 1.837 int valves and 1.536 exhaust valves. MAC is the only manufacturer of these headers, and the parts we installed fit like a glove with no problems whatsoever. In a lightweight Fox or early Mustang with a five-speed behind it, this would be a great little street engine. This 1979-1995 Mustang cylinder head and camshaft guide will overview the heads and cams we offer and how they will coincide. It took him and yours truly eight hours from start to finish, using air tools and a lift to gain access to the header flanges.
Gt40/gt40p Heads On A 351w Questions - StangNet Application Fits 1979-95 Mustang 302/351 w/ OEM Small Block Ford Heads Also, you'll need to get a steel distributor gear to replace the iron gear that is currently on your distributor. At the time, I was still running smog equipment in a 1994 Mustang GT, so I had them drill the back of the heads for the thermactor connection. (A starter is a motor, windshield wipers use a motor,electric windows use motors) Any one uses that terminology in my shop will be corrected once, only once. Save narve00
REMANUFACTURED FORD 302 5.0 COBRA GT40 CYLINDER HEADS | What's New No-option stripper- I like strippers. Buy the lifters for peace of mind now and hopefully for the duration. You didnt provide a lot of information about the engine itself, Im assuming its 85 or newer ( roller cam) May need a freshen up of the bottom end if compression is the issue. Thanks for the help, I was planning on puttingin roller rockers or at least new springs, and that engine looks great, hoppfully mine will look at least similar to that one of these days. Jeff Smith: It would have been better to know a little bit more about your combination, but the short answer is yeswith a hydraulic roller camshaft, assuming the lifters are in good shape and the roller wheels show no unusual wear, they can be re-used on a new cam with no danger of adverse effects. 1986 Short block with notched pistons. So . Limited header choice is certainly a challenge. Here is the lowdown on exhaust manifolds and VALVE SPRINGS. That's a good combo in my book. With the tuning finalized, the little cam made far more power than we expected, cranking out 328 lb-ft of torque at 4,200 and 294 hp at 5,400 rpm. Aside from the cost of the nitrous itself, this setup should cost you little more than a stock rebuild using all brand new parts. This modification will help your late-model GT40P heads work better with the old-school carbureted intake setup. 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. If you go with a diffrent cam, make sure you change springs, The Trick Flow kit comes with everything for around $130. 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.