Oil weight?
Okay, I don't have an owner's manual. I searched the posts here, but couldn't find a straight answer.
I have an '87 951 and live in Las Vegas. The weather here is about 30 degrees F to about 115 F in the summer.
I want to use Mobil 1 synthetic, but I have no idea what oil weight I should use. Any suggestions?
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-Kierf.
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