Anyone have suggestions for heads and cam on 94z28, I'm getting a new bottom end. The car is street driven,( but not daily driven) so I need to pass emissions, but the real purpose of the car is to get to low-12's ( or even better high 11's). I'll probably go with the stock bottom with 4 bolt main.

 

Well I've heard good things from the cc305 with aftermarket heads of anykind as long as they are done right. And if the motor is a stocker it's not a 4-bolt main. it's only a two I believe.

 

That's right, but I was referring to stock bore and stroke, but on the replacement 4 bolt short block

 

That's right, but I was referring to stock bore and stroke, but on the replacement 4 bolt short block