10-21-2021, 10:21 PM

Randy Allen Randy Allen is offline

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Join Date: Feb 2000

Location: Flower Mound, Texas

Posts: 60

Hydraulic Roller Lifters-Lifter Bore

In regards to hydraulic roller lifters is it required to enlarge the oil passages in the lifter bore or are there dependable roller lifters designed to work without pulling a rotating assembly down to enlarge the oil holes?

For reference this is a combo street/road race application 468. Certainly not a race engine at under 600 hp but a hydraulic roller lifter will be stressed in this form of racing.

Thanks for the help; If the only way the lifter will live is with more oil; I’ll rethink converting to a hydraulic roller.

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