I think I already covered the basic barrier of N/A mods for the 4G64. You can cam it sure for more power up top, but you're not going to be able to rev safely above 7000 IMO. Piston velocity is getting dangerous past that point without a fully forged, lightened, balanced lower end. It's really a platform made for boost.Originally Posted by duh2150
It's not like a little Honda engine that can rev to the sky to make power...
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