Top end oil
#11
Wow....went to that link Tinman. Looks like a major pissing contest about the subject. In the case of my truck it lived a hard life and the previous owner never said much about maintenance. My thinking was that it couldn't possibly hurt to do it at least once and I'm glad I did now. Based on the fact that it does eventually end up in the oil pan I'm thinking changing the hpop oil once a year or two isn't a bad thing but certainly not necessary at all oil changes to be sure (it's a major pain in the a$$ to do).
#12
#13
There was a post i found that the guy stated he could actually fill the whole crankcase through the hpop res givin the hole was big enough. i change mine every 5k with full syn so i am not worried any more.
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