Auto Transmission Swap

big_kahuna89 · 06-13-2008, 01:17 AM

I have a 1989 Supra Turbo with all the basic body and engine work done. I am getting ready to up the turbocharger and dont think my auto transmission can hold to much more horse power. I heard a rumor of a auto trany that I could get that would hold up to 900 horses I think its a GM transmission does any one know what I am talking about.

Chambers · 06-13-2008, 11:13 AM

On one of the other forums there was a group buy for a GM tranny adapter, which would allow you to run a Turbo 350/ Turbo 400 or any other GM tranny with that bolt pattern. A built 350 will be able to hold un-godly amounts of power, you just have to worry about the tranny cross member and the adapter. I think the adapter was going for like $350 but I don't know if they are still selling them. Good luck!

06-13-2008, 01:17 AM	#1
big_kahuna89 Stock Join Date: Jun 2008 Location: Graham Washington Posts: 2	Auto Transmission Swap I have a 1989 Supra Turbo with all the basic body and engine work done. I am getting ready to up the turbocharger and dont think my auto transmission can hold to much more horse power. I heard a rumor of a auto trany that I could get that would hold up to 900 horses I think its a GM transmission does any one know what I am talking about.

06-13-2008, 11:13 AM	#2
Chambers walbro fp Join Date: May 2007 Location: USA - Harford County, Maryland Posts: 481	On one of the other forums there was a group buy for a GM tranny adapter, which would allow you to run a Turbo 350/ Turbo 400 or any other GM tranny with that bolt pattern. A built 350 will be able to hold un-godly amounts of power, you just have to worry about the tranny cross member and the adapter. I think the adapter was going for like $350 but I don't know if they are still selling them. Good luck! __________________ Whats in the garage, well.... in the yard. 1986.5 Toyota Supra - NA - 5 spd 1986 Ford Ranger Lowrider - 5 spd 1984 Ford Ranger XLT - 7" Lift - 4X4 - Auto "Stuck in the 80's"

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