Spectre Performance Chevy R20 Engine Parts

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

I know what you're thinking. "Why in the world would anyone run a stone stock 307 Chevelle on a chassis dyno, then throw it around cones like a rental car?" It's a good question, but we did it anyway. Here's why...