I have a 91 LX notch and want to upgrade the top end. Any suggestions on head/intake/cam combo that is proven and can create big HP gains? I have a E cam now am willing to put in a different one to complement heads/intake.
This is a street car and I'm hoping for 350-400hp.
This is a street car and I'm hoping for 350-400hp.

. He's asking for a proven combination that can net a reasonable horsepower figure. 350 horsepower is an attainable goal and he's willing to use nitrous. 