compression ratio

My dad built this 383 small block Chevy probably 20 years ago. The heads are off the engine and it has domed pistons but I don’t know any details—like the […]

I have a 355ci small block Chevy that I bought that has dished pistons but I don’t know anything about them. The heads are off right now. I’d like to […]

I’ve seen a couple of posts where the discussion is about how much compression to run and still use a supercharger. There were lots of ideas kicked around but it […]

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re helping a reader find low-end power in […]

Q: I have a question about engine compression. What would the following compression ratios be in terms of pounds per square inch (psi) of cylinder pressure? 8:1 compression 9:1 compression 10:1 […]

Better understand compression ratio, how to calculate it, piston-to-wall clearance, how to adjust it depending on the power your engine produces, and more by watching this Summit Racing Quick Flicks […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we help a reader overhaul his Rat motor for street/strip performance. G.T. • Keaau, […]