Quote Originally Posted by nelson9995 View Post
Again you prove my point.
That is why a rb26/ka24.rb25 will make more power than a sr20 lol
once a sr20 hits 450whp it needs race gas? Why is that?
do you guys not see?

When all 4 motors are built and heads are ported/machined, the sr20 HAS NO FLOW ADVANTAGE. neither does it stock except with the ka
You've never built an engine nor tuned one, that's obvious.

Race gas has higher octane and is used to allow the tuner to run higher compression. You could just install lower compression pistons and tune on lower octane fuel or convert to e85.