Posted by Willy-N on Friday, December 31, 2004 at 11:47AM :
In Reply to: What weight oil do you use ---- posted by Mark S. on Friday, December 31, 2004 at 11:07AM :
I run 20/50 Mobil 1 Sinthetic Oil in my 230 M37 engine and it works great. Temps stay normal at 175-180 degs, starts great in cold weather and pressure stays up when it is hot out. I hold 40 psi at idle and 60 psi driving when the engine is all warmed up. Mark H.
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