Hydraulic lifter orientation and wear patterns?

IDIBRONCO

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You're welcome. I'm glad to hear that you have oil where it's supposed to be. I usually call that part a pivot for lack of a better term. At least you know that you have wear there and you'll need to keep it in mind.
 

Duke57

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I uploaded some pics but they are awaiting for moderator approval
 

typ4

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There has to be some oil pressure at idle even at the farthest ones away from the oil pump. Otherwise, with no oil pressure, you would be wearing the push rods and rocker arms. Not to mention that the Factory Turbos and the ATS 093s get their oil feed from the factory oil pressure sending unit location. Those turbos are the farthest point away from the oil pump and still have plenty of oil pressure at idle. Looking once again at the diagram that TNBrett provided, you get a sense of just how awesome our oil pumps actually are.
The ATS 093 gets its oil from the block down by the oil filter. Not the sending unit location.
 

typ4

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Its called a rocker fulcrum and they do wear, I anti friction coated my new ones 14 yrs ago and should have checked them when the valve covers were off.
L:ifters will deliver oil to the top end in different increments due to wear and tolerances. No good set method to the function.
 

IDIBRONCO

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The ATS 093 gets its oil from the block down by the oil filter. Not the sending unit location.
Thanks for correcting me on that one. It's been too long since I've messed with one. I do need to fix that problem soon.
 

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