If you have a 5 speed from a Camaro, look where the case splits into the tail shaft. There should be a tag that has a number that begins with 1352---. that's the number you need. If it is an original trans from a 72 Camaro it's probably a Saginaw or a Muncie 4 speed. The ratio would be 1 to 1.


Tommy
59 apache 1/2t
261 short stepside