W-Body Geek Posted April 21, 2004 Report Posted April 21, 2004 What's the best aftermarket gearbox upgrade,for a 3.8 v6 SeriesII?The stock transmission I have now is shifting mushy.I think their might have been an upgrade piece on the http://www.pfyc.com website to help the stock transmission to shift more accurately;but I can't seem to find it. Quote
99RegalGS Posted April 21, 2004 Report Posted April 21, 2004 Thrasher makes a shift kit for the 4T65-e. There are a few different levels that you can put it at. Quote
W-Body Geek Posted April 21, 2004 Author Report Posted April 21, 2004 I think that was the brand "PartsForYourCar" had on the website..I guessing the Thrasher website is http://www.thrasher.com ??? Quote
W-Body Geek Posted April 21, 2004 Author Report Posted April 21, 2004 This website will do... http://www.3800performance.com/ Quote
99RegalGS Posted April 21, 2004 Report Posted April 21, 2004 Thrasher's webpage is http://www.thrashercharged.com Quote
99RegalGS Posted April 22, 2004 Report Posted April 22, 2004 a B&M sticker Don't think that's quite enough. Quote
93CutlassSupreme Posted April 22, 2004 Report Posted April 22, 2004 a B&M sticker Don't think that's quite enough. alright, a B&M sticker along with a HURST sticker Quote
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