Re: 91 Bravada gears
go to s-series.org and use their RPO code index. I did it for my blazer, (the RPO codes are on that sticker in the glovebox. the one that says DO NOT REMOVE) and leanred I've got a 3.08 ratio with a posi [img]images/icons/smile.gif[/img]
GQ1: Axle, STD Ratio
G80: Axle Positraction, Limited Slip
Hope that helps you. I just recently learned about it too!
So no, don't thank me. Thank the other guys who taught me.