I have a good chance at either gettting a posi unit off a 97 Firbird transam which has the 3.42 gear or getting the zexel torsen from SLP. Which would be the better route and why? The motor I am putting in my car will push over 300+ HP and an automatic.

 

zrs im glad i caught u first. i was in the same predicament you are. i was gonna get the same differential from slp that you where. i found a better place i got 3.73 gears a heavy duty eaton posi rebuild kit soild spacer and aluminum cover for 800$ let me know if your intrested in this ill give you the number to call

 

Go ahead and give me the number. This eaton posi unit for a 10 bolt 7.5?

 

Randy,s ring and pinion. dirt cheap excellent parts an eaton posi for 300 bucks for the 7.5 cant beat that 1-877-349-3061 tell me what you decided

 

Just wher eexactly is that 877 area code located and would he have a webstie?

 

its toll free ( tennesee)