Quote:
Originally Posted by Terry Cain
Why are (some not all) stockers still running flat tappet lifters when a motor with flat tappets ain't been made in 20 years and a set of tool steel lifters is $2100, 4-6 months back order . Guess my old head just don't see the reasoning or the difference between lifters and rockers. .
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You only have to go back to 1/15/2016 on this site to see my post about this topic , one can clearly see that NHRA has implemented rule changes that changed everything in the valvetrain but the lifters , lifters the became the weak link , many racers not only have told ,and showed NHRA over ,and over again over many years ,not weeks or months for years now the destroyed engines ,pistons ,cams ,and lifters costing racers a lot of money needlessly , if they would have left the rules in place on the valve train in the first place we would not be waiting months for ordered lifters today !