Re: Hydrolic roller Rockers
I have installed used roller lifters on a brand new roller cam. You're thinking of a flat tappet camshaft. The pushrods and rocker arm wear is an issue with the 4.0L OHV engine, though I can't tell you whether that is what you're experiencing or not.
1987 Ford Ranger Short Bed 5.0L/T-5 Project
1988 Ford Ranger Long Bed Parts Truck
1993 Ford Tempo 2.3L OHV HSC Auto - D/D Stock.
1999 Honda Accord VTEC Auto
2002 Dodge Caravan - 3.3L Auto