How To: Break in a new camshaft when building an engine

Break in a new camshaft when building an engine

How to Break in a new camshaft when building an engine

If you have a new camshaft, the break-in procedure is critical. Follow our guidelines and you won't flatten a cam lobe and ruin the internals of your motor. The basic formula is 20 minutes @2000 rpms and never going below 1500 rpms. Make sure not to let it idle. Changing from 1500 to 2500 rpm every few minutes will help the cam break-in as well.

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