Don't Store a Camshaft for Too Long a Period

Stuff like brake rotors, and drums i get turned and put into storage, i wipe clean with laquer thinner , then i spray em down with Cor-Ban 35, and let it dry like your painting a part. It forms a hard clear slightly reddish tinted impenetrable coating on the bare metal for storage until needed. Wipes off with laquer thinner or MEK. Designed for the aerospace industry to prevent corrosion, it can be sprayed inside car doors and wheel houses at the seams where water would collect as well. This stuff would work for long term storage of camshafts etc. A thin unbroken sprayed on coating, and letting it dry before boxing and storage is all it takes to stop corrosion on bare metal, however you use laquer thinner or MEK to get it off.

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