1988 Iroc Camaro 5.7l 350
What rear end does it have?
3.73 9 bolt?
IDK Help
What rear end does it have?
3.73 9 bolt?
IDK Help
3.27 9 bolt
Supreme Member
Most common ratio for a 350 with a BW 9-bolt was the 2:77 ratio with the 3:27 being a option. So my guess is you have the most common 2:77.

