Hypereutectic Pistons
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Hypereutectic Pistons
What horse power nitrous oxide kit can you put on Speed Pro hypereutectic pistons?
I have an LT1 rebiult with a Speed Pro engine rebuild kit. It has 9.90:1 compression hypereutectic pistons, piston rings, crankshaft, rods, main bearings, cam bearings, rod bearings, high volume oil pump, and the LT4 Hot Cam Kit. The heads have been ported, have a 3 angle valve job, and double coil springs. The intake has been ported for a twin 58mm throttle body and also to match the head intake ports. The cam has .525 lift on the intake and exhaust with a 113 degree lobe separation. It has Accel 36 lbs. injectors, MSD optispark distributor, and GM Performance timing chain set. It also has the self aligning 1.6 ratio roller rocker arms. It has Hooker headers, 3" exhaust through an X pipe, MagnaFlow Magnapacks mufflers and Flow Master tail pipes, in a 1997 Camaro.
I would never use hypereutectic pistons on any engine that was going to be blown, turbo'ed or gassed! Any lean condition will blow the engine immediately. The last and only engine I built with "hyper" pistons blew during a very brief lean condition and totally destroyed my engine. When I started tearing it down there was pieces of pistons and rings in the intake manifold. The pistons that didn't "explode" were still heavily damaged, and the oil pan was filled with engine debris. My suggestion is to buy the best forged pistons that you can find and replace the "hyper's"!
http://www.taperformance.com/hyperteu.htm
http://www.digitalcorvettes.com/forums/showthread.php?t=4110
1985 Ford F150 Truck