Comp Cams 503 in 383
Trending Topics
The Best V8 Stories One Small Block at Time
Corvette block is what you are using since they came with a 4 bolt main...
I ran a CC306 in my 385 and it worked very well. 432/468 to the wheels through a 4L60E and a 12 bolt.
However, for my 396 I have gone with a custom Comp Cam that is bigger, much bigger, than a CC306.







