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Old 10-21-2009, 10:16 AM
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Originally Posted by GMC boogie
Yes,would be pretty obvious on the first four,not so on the rear cam bearing...seen it before due to careless installation. Groove barely exposed but enough to leak.....was not that obvious due to the depth of the bore back there.

You are correct, if they stopped the rear cam bearing flush with the block I could see the groove being exposed. It would be rare, but I could see it happening.

But i would think soon as you installed the cam and the rear journal dissappeared into the bearing it would be a big red flag.

I guess some assemblers just don't look for stuff like that.

Plus i don't think that issue would change with oil temp. If that rear groove was out the pressure should be low all the time not just at temp.

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