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VetteMed · 07-27-2012

I think I remember reading that 10-12,000 miles is about the maximum before the viscosity drops below a "safe" range.

07-27-2012	#12
VetteMed Join Date: Mar 2009 Location: Orlando, FL Posts: 1,816	Re: Which oil in the gearbox ? I think I remember reading that 10-12,000 miles is about the maximum before the viscosity drops below a "safe" range.