SF versus SL 10W-30 oil.

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I've seen the same symptoms with QS.
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Steve Barker







"dpb" < snipped-for-privacy@non.net> wrote in message news:f4q1p4$79p$ snipped-for-privacy@aioe.org...
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dpb wrote:

Conversly, I rebuilt a Chevy 350 that had been run on Havoline for 90k miles. It was shiney inside with little-to-no sludge. Guess that's why the oil looks black after 500 miles - it's really collecting those deposits.
KC
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Stormin Mormon wrote:

Also for an air cooled/flat tappet engine you might want to look for a "fleet" oil (both gasoline and Diesel rated) and also one NOT rated CJ-4 (the latest Diesel rating.) The newest oils actually have fewer zinc compounds (usually ZDDP, an anti-wear additive) per the new specs.
A motorcycle oil might be a good choice, as well...
nate
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