Thread: variable duration lifters
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Old 06-13-2009, 09:09 AM
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Location: Williamsport, PA
Cobra Make, Engine: Kellison Stallion 468 FE
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you liked them? i never had much luck with them. i can't comment on the vacuum advantage, the valve train noise was so excessive it got shut down after cam brake-in
and the lifters went in the trash. circa 1979-1980. are they any different now? who knows.

fred
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