Rear end and gear ratio

[slick rick]

What is the gear ratio in the grand prix 2+2 and do it have a posi

 

[slick rick]

Im doing a turbo 6 swap thats my reason for asking and is the trans universal thanks

 

[Clutch_Grabwell]

Read this article on the 2+2 from Hemmings Muscle Machines.
It reports that the 2+2 came with 3.08:1 gears with posi. That would be the weaker 7.5/7.625" version, BTW.
I'd expect to find a universal bell housing pattern on the transmission.

http://www.hemmings.com/mus/stories/2007/03/01/hmn_feature8.html