RE: cam positioning

[Jim Jablonski <jim@xxxxxxxxxxxxx>]

Hey there, Earl ... happy holidays.  Coming in late on this thread, but 
who is Dale?

Regards,

Jim

Earl Helm wrote:
> 
>  Bill,
> 
> Since this question is for Don, please don't consider this an answer.
> <;-)....<
> 
> The cam is ground with a slight angle to the flat face of the cam. This 
> is
> to 
> facilitate the desired rotation of the lifter. By rotating the lifter, 
> this
> does inhibit 
> both lifter and cam wear.
> 
> Since this keeps happening with your block, I would be looking very
> carefully at 
> your lifter boars. They are either to small or to big, or perhaps you 
> have
> an oiling 
> issue. They could also not be perpendicular to the cam face. I have been
> using the 
> AMC solid lifters that Dale makes. He EDM's a small hole in the bottom 
> of
> the lifter, 
> this supplies the face of the cam with a consistent supply of oil. I 
> have
> not had a 
> cam failure since I have been using Dales lifters.
> 
> I know we have spoken about this, and you mentioned that it keeps 
> jumping
> around. 
> I would be pulling that thing out and checking everything from the 
> lifter
> boars, the 
> lifters, cam end play, to the cam itself. I have had an issue like this 
> in
> the past with 
> a B block, I switched to Mopar Racing lifters, they are a half a thou
> undersize. I did 
> not have that issue after that. But, each motor and each issue is 
> different.
> 
> Earl
> 


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