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Old 07-15-2020, 11:53 AM   #34
Bored&Stroked
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Join Date: Jan 2011
Location: Central Ohio
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Default Re: Off shore adjustable lifters

In looking at the lifters that you show - they appear to be "solid", not the hollow re-pop ones that we've all seen from China. So - they are not necessarily from China, they can be on-shore and they may have wear issues for a variety of reasons ---> hardness, break-in, the way the cam was ground, oil-used, etc..

Also, given that your cam was wearing into those lifters, the profile is probably not correct anymore (on the nose of each lobe), so you may experience the same problem the "next go round". Personally, I would not put new lifters on a cam that previously had that sort of wear pattern on the lifters you show. I'd have the cam checked out.

There is really no way to know what caused your specific issue.. Do you know who manufactured the lifters? Also, who manufactured the cam and were they both installed at the same time?
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