The hot rodder in me want's to say 347 stroker, because....hey, who doesn't like a choppy idle and the ability to say "yeah, I'm running a stroker", but the realist in me says the blown 306 is the better set up. The 306 will last longer, run smoother and be better on fuel than the 347, all while making as much or more power/torque.
Your GT40's will also perform better with forced induction motivation them than they will N/A.
Scrap the whole 306 idea. 302 stock junk yard short block and a Vortech Supercharger!! Close the thread, we just made 450 rwhp. lol
87-92 Mustang 5.0 has forged pistons for sure. I don't know about other years or the explorer motors but honestly it really doesn't matter. We have built many of 10 second cars and made north or 500rwhp with decent longevity (almost all end in a split block and not piston failure) as long as they have a decent tune up in them. In the big scheme of things, it's almost effortless to make this kind of hp with a junk yard short block, decent aluminum heads and any power adder so long as you have the other supporting parts to go with it. ie Fuel system, Suspension, Driving skills/Automatic transRemind everyone (including me) which JY 302s had forged pistons.
I've had junker motors last years, our current junk yard motor is on its 3rd car lol.Decent longevity is a relative term when talking about a Streeter that goes from driveway to store to work then home in all kinds of relative heat soak and coditions. Hehe
I've had junker motors last years, our current junk yard motor is on its 3rd car lol.
I wouldn't hesitate at all to run boost with hyperutectic pistons. Mod motors ran far less robust pistons than the 5.0L for years and survived fine under moderate amounts of boost.
Spill the beans...details!I have been sitting on the idea of my own high compression stroker, with the very pistons that you mention. Been a project that I've wanted to do for a very long time.
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