axles again


Junior Member
this is a reply to thelawnguy. I have two g codes in the glove box for the axle ratio. they are g80 and gt4. The 86 suburban has a 350 rebuilt with a 700r4 trany. I'll mostly be doing highway towing and a little bit of playing in the bush. It is not a 4wd.yet.

thelawnguy Addict
Central CT
GT4 is a 3.73 ratio axle, G80 is Positraction, limited slip. Good combo for a 'burban, as long as its a 4 speed auto not a 3 speed. It will tach around 2100 rpm in 4th lockup at 70mph.

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