SR20 Head Secrets - Porting, Cams, and Better Flow
If you're looking to squeeze more power out of your Silvia or Sentra, starting with a solid sr20 head setup is basically step one. It doesn't matter if you've got a massive turbo hanging off the side of the block; if the head can't move air efficiently, you're just wasting potential. The SR20 is a legendary engine for a reason, but let's be honest—it has some quirks that can turn a fun weekend drive into a catastrophic "engine-out" situation if you don't treat the top end with some respect. ...