Tranmission Question

Ask AndyCategory: TransmissionTranmission Question
Admin Access Staff asked 1 year ago

Good morning.I just want to know how good or bad is this transmission AV10 05 3 and the ratio 412 or 388 one side open other side is close Thanks..

1 Answers
Admin Staff answered 1 year ago

Hi Luis,

The IRS transmissions with a single removable side cover started being installed in the 1973 production year.  The “AV” would mean that the transmission originally came with a 4:12 ring and pinion and a .89 4th gear. I hope this information helps

Thanks,  Andy