Did Doug Nash make an aftermarket overdrive unit for the TH400 transmission?

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Did Doug Nash make an aftermarket overdrive unit for the TH400 transmission?

I'm looking for a lower cost alternative to a Gear Vendors unit for my old Buick

2006-09-14 14:13:58 · 2 answers · asked by straitiff@sbcglobal.net 1 in Cars & Transportation ➔ Maintenance & Repairs

2 answers

lowest cost alternative is to install a 700r4 overdrive transmission. They bolt right up, might need driveshaft made for your car, and trans controller if you install a late model electronic 4l60e. But earlier 700r4 trans are a snap to retrofit your old buick
check out http://www.jegs.com or http://www.bmracing.com/index.php?id=products&sid=2&cat=4

2006-09-14 14:40:41 · answer #1 · answered by Magikmann 4 · 0⤊ 0⤋

Doug Nash Overdrive Unit

2016-12-08 20:01:48 · answer #2 · answered by Anonymous · 0⤊ 0⤋