I have found hydraulic lifterse to be very robust.
The only thing I can think of that would really mess with them is putting oil in that is way too thin, not allowing then to pump up as they would with the proper oil.
Oil that is too thick won't allow them to leak down at low speed.
I run 5w-40 oil in pretty much everything so I wouldn't have this problem.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 01-19-2017 at 02:53 PM..
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