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Re: K10 Suburban - What Differential Oil
No, I'd keep it simple. You have to keep in mind how many of these trucks are resurrected often and easily. Use a name-brand 90W or if you don't mind the extra bucks, fill it with synthetic 90W and forget it.
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John
79 2wd Blazer (Bruiser)
85 M1009 Blazer (Sarge) build
74 Honda Z50 build
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