Hello All:
1967 Volvo 122S Wagon. I put up a post earlier regarding winterizing the beast for the New York Metropolitan Area winter rapidly threatening our prisitine shores, but no one commented specifically on oil weight. I need to top off with a quart right now, and I am about 700 miles away from a full-on systemic change. What weight should I use? I believe the previous owner used Castrol GTX 10W-30 or 10W-40 but would love to hear what you guys have to say.
I know what to do about the oil filter when I do my change so no need to comment on that here.
Cheers,
Jeff Pucillo
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