Quote:
Originally Posted by Markeracer
What lifter are you using and how crazy is the spring pressure?
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Trend lifters and PAC 1409X springs.
https://www.racingsprings.com/index....ring-8086.html
Quote:
Originally Posted by Bill Bogues
tell us what you found out about the spots on the cam lobes. I had the same thing happen on two different engines and got all kinds of reason's for it happening but nothing definite. Oil, spring pressure,lifters etc... etc. Sure would be nice to know for sure what caused it.
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Bill, I think there's just a certain life expectancy of this style of lobe. There's a tremendous amount of pressure concentrated on a very narrow 'peak' on both the opening and closing sides of the lobe.
This would be a good topic for the Tech section, for sure. -Al