Quote:
Originally Posted by Tim Corcoran
The Hy-Lift Johnson SFT liters come with or without an EDM hole depending on which one you order. I used to be a dealer and used to sell both types. Also I was an FAA inspector for many years and I am currently a delegated FAA inspector as an independent contractor and I can tell you that the FAA does not inspect production parts as alluded to in a previous post.
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Maybe you can share your thoughts on this. Johnson before it became Hy-lift used to check the hardness on every lifter it sold. Around 1990 they stopped this process, the same time the great lifter debacle of the twentieth century started. I could never wrap my head around why they stopped this. I thought if they performed the test for decades obviously they were rejecting lifters. If they weren't finding soft lifters why did the waiste effort checking every single lifter until that point.