Mouse Muscle: 10 Potent Hop-Up Packages for Your Small Block Chevy
The small block Chevy engine is now well-over 60 years old. But you can keep your Mouse motor going thanks to an array of special performance packages. These packages include two or more items that have been custom matched by the performance experts at some of most-trusted brands. That means you get maximum small block
Ask Away! with Jeff Smith: Upgrading Valve Springs for Better High-RPM Performance
I’ve got a 454 H.O. crate engine and we installed a small ProCharger centrifugal on the engine to bump the power. I thought this would work well with the engine’s 8.75:1 compression ratio. I then took the combination to the chassis dyno but ran into all kinds of problems. The engine just lays down at




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