Thread: Cam bearings
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09-24-2007 02:25 PM #1
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Cam bearings
I am just going over my block that I got back from the machine shop and want to make sure that the cam bearings are put in right . They all line up with the main bearing oil hole except the 1st one, that one has the 2 holes @ 8 and 4 oclock when the block is facing up.
Thanks
Angelo
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09-25-2007 02:09 PM #2
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It is a 1969 350.
Angelo
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10-08-2007 06:47 AM #3
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Seems OK. Behind the front cam bearing is a groove all the way round, so oil will come through the oil holes no matter where they are. The reason why there are two holes in the front bearing is because of the higher load on that bearing due to the pulling of the timing chain. That's also why they are not opposing each other but both slightly below the middle of the cam shaft - so the oil presses the cam UP when the chain pulls it DOWN. Equals out nicely.
MaxHarharhar...
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Thank you Roger. .
Another little bird