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How to Break in a New Cam

Break In New Cam Cam
A few years ago, the cam companies stopped selling cams with molybdenum disulfide as a lobe lubricant, instead relying on a thicker assembly lube without moly. This is because that black moly paste is highly abrasive and can damage other delicate engine components. Do not substitute white paste, like Lubriplate, however, since this is not a high-pressure lubricant.

Break In New Cam Dual Valve Springs
Dual valvesprings increase the load on the lifter. Do your cam a favor and pull out the inner springs before breaking in the cam. It's extra work but will probably save your cam.
Break In New Cam Concave Lifters
Here's what happens if the cam is not broken in properly. These concave lifters are a direct result of poor break-in procedure. This also kills the cam, not to mention the load of metal filings all through your engine. It's not pretty.

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