Our tech column seems to be gathering quite a following of guys who want to know more about their cars and engines. One reader posted a comment (below) in response to my answer about ignition timing curves. The original post was roughly a year ago and has resulted in over 20 comments on the answer.
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re diagnosing rough engine operation at highway speeds. H.R. Marshfield, WI Q: I have a 1967 Corvette with a fresh 460-cubic-inch big block. It has square port aluminum heads, a Weiand manifold with an 800 cfm Holley double pumper, Chevy
I’ve always thought that vacuum advance was something just for stock engines and something you didn’t use with a performance engine. In fact, I’ve heard guys say they’ve locked out their advance and just run a fixed timing amount. Is this a better way to go with a street engine? I have a small-block 350
Stay Connected