I was wondering if anyone has upgraded their cam from stock and what effect it had on driveability and mileage. I have a 85 K20, 350 4b with a 4 speed manual (1st is granny gear) Im not sure what the ...
I've tried RV cams in those perminantly sick 70-80s engines and it was useless. I also tried an RV cam in a built BB and I won't do that again either. BBs already have tons of low end tq. That truck would beat dirt bikes across an intersection but it was also topped out nearly that quickly. I made a bushing and retarded it 4 degrees to get some top end back. Craig