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Like the title says, I've had a Yukon posi from Quick Performance for about 5 months with a 3.55 gear and a pair of Moser 28 spline axles ready to go. Finally got a lift and my Diff tech free at the same time! Best part was he owed me for some body-work on his truck. Changing to the 3.55 from a 3.08 is not extreme but wow! With all the new rear control arms and this upgrade I can get some tires that might help in the traction dept without worrying about blowing up the rear end or snapping an axle but it already is better than it was. Still have to re-program my Dakota Digital speedo but will have that done sometime tomorrow, then a trip to TxLSX for a program change to 3.55 and some shift point adjustments and hopefully I'll be done with the driveline from motor to road at least!

I might have a factory posi for sale in the near future with 3.08 gears. I'm still waiting on a friend with an S10 LS swap before I can say for sure

Joe
 
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