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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
I'm trying to find out the max acceptable heat/temp I can expose pushrods and/or rockers to, without damaging them.
It is known that the 4.0L-OHV has poor top end / valve train oiling; often leading to premature wear of pushrod ends and pushrod cups in the rockers. So, I thought I would try...
