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Reply to "Is it normal for Lifters to pop-up out of their bores?"

normal with room for improvement. not all lifter bores are chamfered equally, some blocks got a harder lean on the cutter than others and the chamfer is much deeper on some blocks. lifter bore bushings can be ordered taller than the stock lifter bore length and intentionally installed with the extra length standing up above the top of the stock lifter bore. this will guarantee that the lifter oil band does not get exposed at max lift and oil pressure & volume lost out the top of the lifter bore. roller lifter builds benefit from tall bushings, they're actually almost necessary due to the extra height of roller lifters. Bill Wydendorf offers tall bushings 1.75" vs 1.5"

http://www.wydendorfmachine.com/reamerkits.html

 

Last edited by 4vandproud
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