Can i convert a supercharged transmission into a non-supercharged?

Asked by Dec 31, 2013 at 04:31 AM about the 2000 Buick Regal LS Sedan FWD

Question type: Car Customization

Well so i need to find a new transmission for my mom car and from what ive been told a supercharged transmission wont work with a non-supercharged engine how would go about converting this transmission if you can i need step by step so i dont have to put out more cash on another transmission

5 Answers

No such thing as a 'supercharged transmission'. A supercharger is a belt driven device that gives your intake in the engine positive pressure, forcing more air than the normal vacuum of a naturally aspirated car. Now swapping a transmission from a Regal GS, 3.8 Liter the supercharged version in to an LS, 3.8 I see no problem 'conversion' necessary The 4T 65E transmission will be fine

2 of 2 people found this helpful.

The supercharged version comes with the HD tranny... only difference would be the differential and passenger side cv shaft. I think the diff cover on the side of the trans must be changed to. As far as putting the supercharged engine on a non-HD trans, there will be no physical differences.


the years must match 100% because. gears in trans are not the same and will pull a - c.e light and abs will shut down and omg if you have traction control


the 4T 65E transmission has 3 or 4 different valve bodies over the years so your ecm will have to be flashed


You could bolt a big honk'n blower to it. Seriously though blowers are for engines, not transmissions. You could install a shift kit in your trans to firm up the shifts.

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