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"In an ongoing attempt to keep emission as low as
possible, manufactures have been putting tigher and
tighter limits on how much phosphorous and zinc
additive can be in the motor oil" Mark Ferner
"Flat-Tappet Cams Have Been Failing at an Alarming
Rate. We look at What's Gone Wrong, and How to Fix It."
by Marlan Davis
FLAT TAPPET CAM TECH - Righting The Wrongs
Read for yourself what SUMMIT RACING
and HOT ROD MAGAZINE say: http://www.hotrod.com/techarticles/engine/flat_tappet_cam_tech/index.html
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