CrackaMan1
New member
- Dec 16, 2010
- 2
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I am currently working on an '85 trans am... I wont go into all the detail of it, but its no where near stock; new engine, new tranny etc. However, I am still using the stock 9 bolt non slip 2:77 rear... I'm getting ready to install a new 10 bolt rear with 3:73 gearing... curious if anyone knows what kind of difference I should be expecting? (I already know its going to be a pretty big difference... just kinda need some reassurance lol)