I have a 74 corvette with a 270 HP 454 right now. I want to get a little more power out of it without pulling the motor. The guy I bought it from just put a new cam in it and I hate to tear into it now. I just wanted some ideas on how to get more outta this motor. It's stock now,and I think the cam the guy put in is a mild one,maybe stock also.He was a stickler for not modifying anything at all because he felt it would effect the value of the car. What can I do ? Intake? Carb? Heads? Can I get 400 with bolt on parts?Any advice would be appreciated. I have ideas but some of you guys do a lot more of these than I ever will! Thanks, Mike...