Quote:
Originally Posted by diamond zr1
stock zr1s run too much compression for much boost/new motors with more sensors and direct injection allow higher compressions but not in the 12 plus range/while the low end or lt5 motors would probably handle boost,top end not so much
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Not sure if I'm getting all you're saying however:
Stock LT5 can handle around 5 psi. HP and TQ gain is outstanding for this small amount of boost especially the area you gain under the curve.
You can run higher but care must be taken or you'll push out the head gaskets. Ask me how I know...
There should be an old Dyno Graph post somewhere here the website. When I get home I'll look on my old harddrive.
Cheers,
Ron