MKIII (1986.5-1992)
Boo hoo. Another post about motor oil. I’ve spent hours searching. Everyone says different things. Some say “ooh 10w40 gunks up the engine!! Use 5w30” or “read the damn Tsrm”. I’m not an oil expert so I’m not sure what to use. I have an ‘87 turbo, Pacific Northwest, so around 70-75 in the...