Re: Would 10W 30 Oil Hurt the Engine
i was under the impression that gm did recommend 10w30 dor the zr-1...
maybe this has changed with my 93...i use 10w40 amsoil to get that bit extra protection too...i know some people use red line oil,but i have very good results in my motorcycles and my f-350 diesel with amsoil products
if you drive hard at all,go with 10w30,or 10w40....my opinion,anyway
blackjack
91/1735
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