Quote:
Originally Posted by 3.2 CAB
What "S" rated oil off the shelf, would be better to use?
"S-*"
Would an "S-F" rated oil provide more protection than an "S-J" or "S-M" rated oil?
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You're gonna get mad at me, but I really must tell you to take the time to read & digest the Oil Thread here on Pelican. Its VERY educational.
An SF, SH, SJ rated oil contains more ZDDP than SL & SM rated oils so they are the preferred products for air-cooled engines.