302 with gt40p heads horsepower

One benefit gt40P head will have over other 80's-90's model heads, including the gt40 head, is that it has a smaller combustion chamber much like the original 289 heads. This is an older thread, you may not receive a response, and could be reviving an old thread. Im now thinking of adding a cam to match the carb. 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. For this reason, we're not sure what kind of boost the GT-40P heads will give. If you're going to use the stock 289 heads, install 1.84-inch intake valves, then port the intake and exhaust; these mods will net you about 185 cfm of intake port flow at 0.50 lift. We didn't increase the valve size, although we did have to add Manley valves to get the proper spring-installed height. A forum community dedicated to Ford performance owners and enthusiasts. Add 40 to 70 HP to your 302 yourself - Factory Five Racing Forum How to Build a Cheap Drag Racing 302 Ford Motor | It Still Runs 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. The Fora platform includes forum software by XenForo. I must agree with Jeff Smith. You didnt mention which cam you had in mind. Well offer one as an example. Through Central Coast you can have the heads fully prepped for your combination. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! You will have to get special headers to fit these heads since the spark plugs are angled differently than normal 5.0 heads. This test went so well that we were eager to see what the slightly bigger cam would do. 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. at the crank.

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