No I haven't dynod it. Didnt make it to the track last summer as it was always raining on track days or I was to busy with other plans. You sure notice it when taking off tho. If you don't have posi then don't get the gears. I burn the tires everywhere with posi. Couldn't imagen without posi.

 

Im thinking im gona go with this. It'll fit my car right? 2001 3.8 5speed


http://shop.mobileweb.ebay.com/searc...4&y=25&cmd=SKW

 

You need a 7.5-7625 10 bolt and 28 spline set up. So anything that has that set up you'll be good to go.