Having just got this truck from a friend I dont know what tranny is in it(1991 Silverado--reg.cab) could somebody please tell me the codes to look for ;for what trannys.Thanks Silverfox
I would like to install a posi- rear end but I need ti know what tranny i have. Also,what posi # 's would i be looking for.I know that I have a 4 speed o/d,Thanks Silverfox
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