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ClassicAutoResto · 10-12-2007, 11:19 PM

10w40 or 15w50 either one is great for a V8 and the viscosity does not change with temperature, so cold weather startups are NOT a concern.

10-12-2007, 11:19 PM	#15
ClassicAutoResto Rust Buster Join Date: Apr 2007 Location: Lebanon, Ky Posts: 558	Re: Lucas Oil stuff 10w40 or 15w50 either one is great for a V8 and the viscosity does not change with temperature, so cold weather startups are NOT a concern.