RV Cams?
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 ...
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You might want to check out crate engines from a place like Summit Racing. Your cost may be about the same and have a warranty.
I built a Chevy 350 using the 1.94 heads, Edelbrock cam, 1.6 roller rockers and the best parts I could find. I stayed with single exhaust because it is in a van, but increased the pipe size and used a Flowmaster muffler. The results was just a little more HP, but the mileage increased about 10%.
I believe that the low compression ratio is the reason I didn't get more power. The timing is advanced to just the point of pinging. That is easy on a van, just remove the engine cover and play with the distributor till you get it right.
I built a Chevy 350 using the 1.94 heads, Edelbrock cam, 1.6 roller rockers and the best parts I could find. I stayed with single exhaust because it is in a van, but increased the pipe size and used a Flowmaster muffler. The results was just a little more HP, but the mileage increased about 10%.
I believe that the low compression ratio is the reason I didn't get more power. The timing is advanced to just the point of pinging. That is easy on a van, just remove the engine cover and play with the distributor till you get it right.
