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Zero4488 · 05-03-2006, 01:24 PM

I have a 1986 Pontiac Trans Am with a 9 bolt rear and rear disc brakes....does anyone know what the stock ratios are in that 9 bolt....cause I wanna know the difference after I put the 3.73's in it....

05-03-2006, 01:24 PM	#1
Zero4488 Banned Join Date: Apr 2006 Location: Port Reading Posts: 252 iTrader: (2)	9 Bolt Rear I have a 1986 Pontiac Trans Am with a 9 bolt rear and rear disc brakes....does anyone know what the stock ratios are in that 9 bolt....cause I wanna know the difference after I put the 3.73's in it....