Lubricate cam bearing od at install

Vaseline petroleum jelly.

Works for me on the installs, assembly lube is too slippery and stays in there. Could lead to a turned cam bearing.

@RustyRatRod recommends vaseline for installing cam bearings into the blocks on his How to Install Cam Bearings video.

Of course assembly lube, like Lucas Engine Oil Treatment (the thick stuff like STP) to be used on the cam journal side for installing the camshaft into the new cam bearings that are in the block.

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Small Block used fitting cam ^^^ with relief cuts.