65GS.com - Buick Gran Sport Enthusiasts!
General Discussion => Q & A => Topic started by: linchero on January 07, 2016, 06:19:32 PM
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If I decode the posi tag on the rear end would it give me the gear ratio?
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The tag normally just says 'use limited slip lube only'.
To determine ratio, try to find the codes stamped into the bottom of the drivers side axle tube.