Posted: Tue Aug 12, 2014 4:12 pm Post subject: Re: oil what viscosity
mr white wrote:
manual says 30w dealer says 15w40.
should i be ok to run 15w40 or 5w40 rotalla t
In my 350 Chevy Kodiak I was running Mobil 1 15/40 Synthetic - but now I have switched to Amsoil 20/50 Zinc - I noticed cooler running temps and Im not topping up as much either.
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