well the V6 7.5 is the same as the SS, early TR and 442's 7.5, just different carrier as you probally have 2.73 rear gears with a 3spd trans or 3.08's with the 4spd auto
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2005 Joe Gibbs Silverado # 0396
1988 Monte Carlo SS 5.3/T56 and too many mods.
2003 Honda 954RR