302 with gt40p heads horsepowerdirty wedding limericks

I added a link to it. 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. Over $2050 for the 165/185 renegades. 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. We guarantee plenty of burnout action when you add GT-40P heads to your 5.0 Mustang. I need that part number too! 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 mild porting with gasket matching will be very good. I am working on a set of iron GT40s hoping it goes faster. With. this head fits years 95-01 explorer mountaineer mercury mountaineer . hole size 302 is 7/16 and 351 is 1/2 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. Have fun, be safe, enjoy. Even with a stock Mustang 5.0 cam makes good power. Plus you will need to drill all the head bolt holes out as the 351W uses larger head bolts. Once the headers are in place, then you can consider if you still want more power. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Gt40 heads/intake from a jy explorer, leave the . 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. So . 1 - 7 of 7 Posts. As usual, there is much more to this story. Finding Gt40p heads at the junkyard is getting more and more complicated and if you want to upgrade the heads you have to take into account the costs of the machine shop and compare everything to a set of cheap aluminum heads. Horse Sense: The smaller valves found in GT-40P heads improve airflow velocity. The HP DIFF column on the far right lists the horsepower difference between Test 1 and Test 3. 1.7 shaft rockers and beehives. I can tell you that with my 9.503 block, 22cc dished pistons and 64cc heads, I'm at 9.5:1 compression. 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. We gained 45 hp and 40 lb-ft of torque. This will keep you from dropping your overall static compression ratio and losing power. Through Central Coast you can have the heads fully prepped for your combination. What would be the best cam and springs to use for these heads in a 302 Windsor? This pushed that little Ford to a peak horsepower of 503, and that was where we stopped. Car Craft mag. Headers and a camshaft will help but the engine really needs aftermarket 3/8 inch connecting rod bolts and aftermarket cylinder heads. Install a set of 1.7:1 roller-tipped rocker arms on the heads. In an effort to preserve the history of the Early Fox Era, FEP covers the following vehicles: 79-86 Mustang and Capri, 84-86 Mustang SVO, 78-83 Fairmont & Zephyr, 83-86 LTD & Marquis, 80-88 Thunderbird & Cougar, 82-87 Continental, 84-92 Mark VII, 81-82 Granada. Pride is built, in your garage, with your two hands. Cast iron GT40Ps as cast flow better than non-Ps due to revised plug location/angle. You gave me the info I was looking for, and I really do appreciate it. When building an engine there is a lot to take into consideration. However I think the opportunity window is slowly closing. A solid 300-325 hp should be plenty and that's with good drivability and reliability as well. The later model distributors had a different diameter shaft than the earlier ones. Really hurt too. It runs smooth but seems lazy. Building a 302-inch small-block to produce 400 hp is really no big deal, but doing. http://vb.foureyedpride.com/showthread.php?t=89153, http://www.facebook.com/groups/233213650060739/, ascMcLaren & Motorsport/Grand Prix IV Capris, RHD and Other International/Export Models, Mods, Maintenance & Mechanical FAQs/Archive, If this is your first visit, be sure to i'd love to use these heads,. Keep in mind that swapping camshafts is a fairly extensive effort. the springs are new stock oem ford. That said there are some better aftermarket options for heads also. fuel injection system . The gt40p head is considered the best OEM 302 head made. #1:::Throw out all your Magazines that suggest what to do! The only way to really make more power is to go with a stroker kit, blower and/or heads. Boy, were we surprised with the results. Save narve00 There's not a lot of reson to use 351 heads later than '75 since they essentially identical to 302 heads except for head bolt holes. A forum community dedicated to Ford Mustang owners and enthusiasts. The entire front accessory drive and timing chain cover must be removed, along with the distributor and intake manifold. The engine never huffed oil out of the breathers, and the spark plugs all looked excellent. In review, we rescued a used 5.0L Ford from the boneyard, ported the heads, added a cam, carburetor, intake manifold, and headers, and pulled an amazing 376 hp out of the mix. Sponsored. Can anyone give me a little feedback about a '99 Explorer 5.0, and tell me if it's my answer. In order to make Coyote-type power you will need some expensive, high-flow cylinder heads with a short block that can withstand spinning in excess of 6,500 rpm. SB Ford, GT40 .575" Lift Max Output II Drop in Valve Spring Kit, Hyd Roller, 140 Lb Seat. Small Block Ford 289/302/5.0L/351w 180cc/60cc Aluminum Cylinder Head E42004. Those heads were unported and had stock valve sizes! 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. Install a Ford Motorsport E303, X303 or F303 cam, or any of the similar units from Indy, Lunati or your favorite manufacturer. Can I run the new cam with the same roller hydraulic lifters or do I have to change the lifters too? SB Ford GT40P Drop In Valve Springs Kit, Hyd Roller w/ Stock Cam, .450" lift and below. I recall having an absolute blast with my old K-code coupe back in the day. Well that article just got me very ancy, I want these heads!! FORD GT40p 4 BAR HEADS IN GOOD CONDITION . All manufactured using advanced CNC technology for the extreme durability and precision required of the modern canted valve Ford Small Block at power levels around the 1000 mark reached during recent competitions at the EMC and at the strip. Thanks. We probably could have coaxed an even 300 hp out of this stock configuration, but with such good numbers, we decided to jump right into the first Lunati cam. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. Stock valve sizes? I got rid of the carburetor and went with a F.A.S.T. Because of this, your tuneup will probably need to be modified. The heads got a 3 angle valve job, new valves from speed-pro and all the valve train was from crane that matched the current hydraulic cam. T5 with 3.73s. Part of this reason is due to its inherent strength and simplicity, but a lot of it has to do with how little Ford has changed it over the years. 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. The GT40P heads had a small combustion chamber ranging from 58-61cc while the GT40 heads had a 63-66cc combustion chamber. Step 2. But dont think that adding a bigger camshaft will make more power. That's fantastic for the minimal investment we made. It has underdrive pulleys, MSD ignition, Bassanni headers and forward exit exhaust. They also have emissions legal heads as well. Install a set of 1.7:1 roller-tipped rocker arms on the heads. Anythoughts? HiPo manifolds and Ill be good. Ford Factory 5.0 Performance Cylinder Heads. These are some of the pictures I have showing the Explorer manifolds. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! ford 302 sbf gt40p v8 cast iron complete cylinder head and head bolts and head gasket set. 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. How much HP and torque do you think I. Weiand 7515 xcellerator intake. (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. AFR 165cc 58cc Heads. Not sure about that but got some pictures of the cast iron explorer manifolds on a 302. 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. Assuming the above configurationa pushrod 5.0L will potentially make between 250 and 260 hp. Assemble the rotating assembly with a stock 5.0L crankshaft, a set of 5.0L rods and the specified pistons with stock-type rings. The Fora platform includes forum software by XenForo. Late-model ford GT40 and GT40P heads with 1.84-inch intake valves will also flow 185 cfm at 0.50 . I think one of the finer traits of a true car guy, is the patience to put a prized car away and just let it sit for a while rather than selling it when life gets in the way. Install a set of GT-40P cylinder heads from a late 1990's Ford Explorer or a set of GT40 heads from an early 1990's Mustang 5.0L. I'll save the effort and lighten my front end by 50# with aluminum. Pretty sure that was name, but I could be wrong. Stock 93-95 Cobra shortblock (stock cobra cam), GT40X heads, 1.7 rockers, Edelbrock Performer RPM intake, Holley 650, and longtube headers. You can find them on later model Mercury Mountaineers and several other Ford SUV applications. Like I said lots of options. $169.50. Where they differ is the combustion chamber size. For those of you running a carb, or aftermarket intake, you already have a leg up in this area and should see even greater gains in power. This will cost additional money but is still worth it, in our opinion. JavaScript is disabled. K.S. Take the assembly to a machine shop to have it balanced and install it in the block. A trip to Orlando Speed World provided us with updated quarter-mile times. But what we were most impressed with was the solid gain in torque over the smaller Voodoo cam from 3,500 and up. Nudge us with emails, and we'll make it happen. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Check my post above. PTP Engineering front suspension and 25540R17s all around. Not when you can buy a set of Promaxx or AFR Enforcer heads for $1000, that already have decent hardware included. Most of them are aware of what changes need to be completed. Cant wait to try um out. 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. Different years can have different combustion chamber sizes but ffor the most part there will be no performance increases by going with 302 heads. BONUS TEST-FOUR DIFFERENT 302 INTAKES.. The tube headers showed a gain of almost 100 hp! These cast piston short-blocks are not quite as good as the forged piston 5.0L that came in Fox-body Mustangs, but the GT40P heads flow much better than earlier 5.0L heads. this head is complete with new 1.837 int valves and 1.536 exhaust valves. 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. It's a classic move we've pulled off many times. Install a used set of 5.0L Mustang "shorty" headers, generally available at auto swap meets for a reasonable price. If you dont feel comfortable doing this higher a pro. With the GT-40P heads you will need to back off the timing a couple degrees and bump up the fuel pressure. GT40Ps have 58cc. Most all long tubes come out far enough to clear and other short tube headers will work but there is clearance issues on two of the cylinders. The combination of this cam with your intake and headers will produce a very nice street engine. The car weighs #2835 with driver. Well also assume that this engine is running stock exhaust manifolds. Come join the discussion about performance, production numbers, VIN decoders, modifications, troubleshooting, power adders, DIY tutorials, and more! This time around, we chose a shining example of this junkyard art form. Holley 670 street avenger carb. are you twisted331 also? The reason this new generation of Ford engines make a ton more power is they also enjoy fantastic cylinder heads and four valves per cylinder.

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