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Old 03-01-2021, 08:54 PM   #54
Will D
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Join Date: Feb 2020
Location: BC Canada
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Default Re: Engine removal '38 deluxe

Quote:
Originally Posted by Mart View Post
Is there a problem at the oil pump drive end? Imagine an oil pump that is very hard to turn (mega high pressure) or very tight idler gear, that would impart a forward thrust on the cam from that gear at the back end.

Can't really se that being it, but I'm racking my brains to think what could cause the cam to thrust forwards.


Mart.
The oil pump gears/bushings/shaft are in good condition and all spins freely. The pressure relief spring however has been replaced with a high tension spring(8lbs) when it should be between 4.8 - 5.4 lbs. for a 50lb pump. Could this be the added pressure you where thinking of which could cause forward thrust on the camshaft?

I had good oil pressure but the bearings are all well worn. Thinking the spring was replaced to increase pressure. Does that make sense?
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