gears

I have a 1979 Camaro with a 3.08 posi was wondering how much it would cost to have someone change it to a 4.11 thanks

I was just needing to know if I can put a posi in my 82 el camino and use the same axles and then put 3.73's in it with out to much trouble iv been looking for a whole rear end assembly that i could just bolt up but i cannot find anything around here thanks

so i need help i have an 82 el camino and i want to change the rear end gears to 3.42 or 3.73's i need to know what all i need and if i can just get the ring and pinion gears and they will just fit right into the carrier but i need to know what all ill have to replace bearings fluids gaskets and...

I recently dropped a SBC (350) into my 1980 camaro, the transmission had been sitting out of the car for about 8 months, But when i drove it last, it shifted fine, so why it would stop working out of the blue is beyond me. I did remove the oil pan and change the gasket/filter, but I thought I...