Post Tagged with: "vacuum advance"

Q&A / Tech

Ask Away! with Jeff Smith: Vacuum Advance and How it Relates to Part-Throttle Timing

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 […]

Q&A / Tech

Mailbag: Is Your Vacuum Advance Hurting Highway Performance?

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 […]

Q&A / Tech

Ask Away with Jeff Smith: Understanding Vacuum Advance and Why You Need It

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 […]