427 or 6.0

[Jim85IROC]

Originally Posted by 68GMCCustom

Best deal for high flowing heads for a 6.0L are the L92 or LS3 heads.

Yup. Under $700 for a pair of LS3 heads, brand new right from GM. How can you beat that?

I'm assembling a 6.0-based 402 stroker with LS3 heads & intake for my IROC. With a 230-ish cam, I anticipate 500+ RWHP with a fat torque curve to match... and 20+ mpg.

Let's see a big block do that.