T56 6 speed from camaro/firebird Tranny swap

Winnipeg Cutlass · November 6th, 2004, 06:45 PM

I'd really like to try a tranny swap with my 87 Olds Cutlass Supreme. It has a 305 and 200 transmission (not sure if its the TH200 or 200-4R or w/e else there is) and I know that there's a lot of things that would have to be done to be able to pull it off, including cutting out and hooking up a clutch pedal, changing the console, corssmember, driveshaft i assume. but i dont know if the tranny would bolt up to the block or if its rear mounted in the camaro and firebird like it is for the corvette. someone fill me in please.

jdorour · November 10th, 2004, 06:41 PM

One step at a time.
You will need to find the pedal setup from an A or G body car (very rare). You will need to have a drive shaft made and reposition the cross member. You will need to change the engine fly wheel. You will need to cut the floor for the shifter. The Camaro/Firebird and the C4 Corvette have the tranmission mounted to the rear side of the engine (just like in your car).
You will need to wire up the reverse light if you want them to work.

The TH 200 is a 3 speed transmissin and the TH200R4 is a 4 speed over drive transmission. If your car has the chevy 305 in it you may have a TH700R4 (a very good transmission)

Good luck

64flatop · April 17th, 2006, 12:28 PM

Have fun.. This will probably cost you a little over $3big ones ..Buy a Lakewood bellhousing and use a Hydraulic clutch. Alot of companies sell every thing you need .Move the rear trans support back. have the drive shaft shortened.. Good luck..

Oldsguy · April 17th, 2006, 04:15 PM

I agree that it is a serious undertaking you consider. I have never done one myself but as was said there are many steps involved as Jdrour mentioned. I would just like to welcome both Winnipeg Cutlass and 64flatop to our site. hope to hear more from both of you. And Winnipeg, let us know what you do and if you make the changeover how it went.

November 10th, 2004, 06:41 PM	#2 (permalink)
jdorour Senior Member Join Date: Feb 2004 Location: Atlanta, GA. Posts: 122	One step at a time. You will need to find the pedal setup from an A or G body car (very rare). You will need to have a drive shaft made and reposition the cross member. You will need to change the engine fly wheel. You will need to cut the floor for the shifter. The Camaro/Firebird and the C4 Corvette have the tranmission mounted to the rear side of the engine (just like in your car). You will need to wire up the reverse light if you want them to work. The TH 200 is a 3 speed transmissin and the TH200R4 is a 4 speed over drive transmission. If your car has the chevy 305 in it you may have a TH700R4 (a very good transmission) Good luck __________________ 1966 Ninety Eight Convertible - 425 Tri-Carb, Factory Dual Exh, Switch-Pitch THM400, 3.54 Posi. 1966 Catalina Wagon - 421 Tri-Power, M21, 4.11 Saf-T-Trac, 8 Bolt Wheels 1989 IROC-Z - 5.7TPI

April 17th, 2006, 04:15 PM	#4 (permalink)
Oldsguy Hot Rodder at heart Administrator Join Date: May 2004 Location: Lees Summit MO Posts: 5,311	I agree that it is a serious undertaking you consider. I have never done one myself but as was said there are many steps involved as Jdrour mentioned. I would just like to welcome both Winnipeg Cutlass and 64flatop to our site. hope to hear more from both of you. And Winnipeg, let us know what you do and if you make the changeover how it went. __________________ Dan '77 Cutlass Supreme '46 2 door "The rocket 455.....it's a sledgehammer approach to a thumbtack world" LuxBlue of HAMB.

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November 6th, 2004, 06:45 PM	#1 (permalink)
Winnipeg Cutlass Junior Member Join Date: Nov 2004 Location: Winnipeg, Manitobam Canada Posts: 1	I'd really like to try a tranny swap with my 87 Olds Cutlass Supreme. It has a 305 and 200 transmission (not sure if its the TH200 or 200-4R or w/e else there is) and I know that there's a lot of things that would have to be done to be able to pull it off, including cutting out and hooking up a clutch pedal, changing the console, corssmember, driveshaft i assume. but i dont know if the tranny would bolt up to the block or if its rear mounted in the camaro and firebird like it is for the corvette. someone fill me in please.

April 17th, 2006, 12:28 PM	#3 (permalink)
64flatop Junior Member Join Date: Apr 2006 Posts: 1	Have fun.. This will probably cost you a little over $3big ones ..Buy a Lakewood bellhousing and use a Hydraulic clutch. Alot of companies sell every thing you need .Move the rear trans support back. have the drive shaft shortened.. Good luck..