3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

Has anyone swapped an automatic out w/ a T-56?

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Old Sep 30, 2005 | 01:15 PM
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Has anyone swapped an automatic out w/ a T-56?

I just purchased a 6 speed and am needing some help tips. I know that many of you have performed this swap, so give me some tips, ideas, anything you got. Thanks.
Old Sep 30, 2005 | 01:34 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Try researching this on www.thirdgen.org. Numerous people have done it and there should be plenty of information on it there.
Old Sep 30, 2005 | 03:36 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Originally Posted by Rage
I just purchased a 6 speed and am needing some help tips. I know that many of you have performed this swap, so give me some tips, ideas, anything you got. Thanks.
Hi...here you go....I did this project but I had a 5 speed already....heres a link that will help you all the way!!
http://www.chevyhiperformance.com/te...wap/index.html
Old Sep 30, 2005 | 09:12 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

I've done a couple. YOu have any particular questions?
Old Sep 30, 2005 | 11:21 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Originally Posted by NastyTA
I've done a couple. YOu have any particular questions?
Well, not exactly, not yet at least. I havent got started w/ the project yet. Is there any huge tips that are key to speeding up the process and making things go smoothly? The guy Im purchasing it from, said he would include all hydraulics and pedals w/ the transmission. What parts do I need to get now? Just any kind of tips you have, I'd love to hear them. Thanks.
Old Oct 1, 2005 | 12:53 AM
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Re: Has anyone swapped an automatic out w/ a T-56?

Your hardest problem will be getting the speedometer to work. The tech articles at http://www.thirdgen.org/ will show you the way.
Old Oct 1, 2005 | 11:32 AM
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Re: Has anyone swapped an automatic out w/ a T-56?

Yeah hes right...getting your speedometer to work properly is a task. You have three options...Cable X box, Dakota Digital buffer box or changing out your mechanical speedo cluster to a electronic one like the on used in the '91-92 camaro's. I retained my cluster on my '89, I gutted out the mechanical speedo and put in a electronic speedo from Auto Meter and used the Dakota Digital buffer box.
http://www.abbott-tach.com/cablex.htm Cable x Box

http://www.dakotadigital.com/index.c...rod/prd126.htm
Old Oct 1, 2005 | 12:08 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

I'm doing the same swap..how much of a task is it to change over from the mechanical to the 91/92 electronic speedo?
Old Oct 1, 2005 | 01:23 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Originally Posted by KRS
I'm doing the same swap..how much of a task is it to change over from the mechanical to the 91/92 electronic speedo?
Heres a link u can look at
http://web.camaross.com/forums/showt...ter+electronic
Old Oct 1, 2005 | 03:10 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

If your car has an electronic speedo it's easy, just get the proper VSS. If it doesn't, pick up a gauge cluster that does and you're on your way. Mine was an '88 so I just had to get a new VSS with the right gears.

The toughest part will be drilling the firewall for the hydraulics. I pulled out the stock ones and set the new pedals in. Traced around the holes for the master cylinder and used that as a guide. Taking the brake booster out will make life alot easier. Also you may want to get a slave cylinder from Advance Auto Parts. I got one from them and the body is aluminum instead of plastic and it's got a bleeder screw in it that the factory one didn't have.
Old Oct 1, 2005 | 08:00 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Will any eletronic speedo make life easy? Cause www.covansclassic.com has some electronic speedo's that look stock but arent. Will these work in a simiular fashion?
Old Oct 1, 2005 | 08:55 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Aftermarket gauges are nice. I did that in my Trans Am, but they're expensive. Running a cable isn't too bad. I forgot that adding an electric speedo means you'd have to get a buffer too, may be a pain in the ***.
Old Oct 2, 2005 | 01:56 AM
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Re: Has anyone swapped an automatic out w/ a T-56?

Originally Posted by Rage
Will any eletronic speedo make life easy? Cause www.covansclassic.com has some electronic speedo's that look stock but arent. Will these work in a simiular fashion?
Rage..I left you an email and a picture of what I did...
Old Oct 2, 2005 | 10:08 PM
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Re: Has anyone swapped an automatic out w/ a T-56?

Originally Posted by NastyTA
If your car has an electronic speedo it's easy, just get the proper VSS. If it doesn't, pick up a gauge cluster that does and you're on your way. Mine was an '88 so I just had to get a new VSS with the right gears.

The toughest part will be drilling the firewall for the hydraulics. I pulled out the stock ones and set the new pedals in. Traced around the holes for the master cylinder and used that as a guide. Taking the brake booster out will make life alot easier. Also you may want to get a slave cylinder from Advance Auto Parts. I got one from them and the body is aluminum instead of plastic and it's got a bleeder screw in it that the factory one didn't have.
The t56 doesn't have a changable (as in there are different ones, there is only one style) vss...the sgi5 box from dakota will change the output so the computer/cruise/guages can understand it. That is, IF you already have electronic guages. I'd swap for the newer ones anyways that dash looks better to me if I had a maro. If you like you're dash an autometer 5" speedo and tach will fit in the guages panel with slight mods.

Any questions on the swap ask here or search the transmission board at thirdgen for a post by Mrdude_1 about the t56 swap. He goes into real good detail about everything you need to do the swap. Wiring, drawings, pictures, etc.

I did it last year and have been having fun rowing gears ever since.
Old Oct 5, 2005 | 11:55 AM
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Re: Has anyone swapped an automatic out w/ a T-56?

http://www.hotrod.com/featuredvehicles/113_0312_gen/

Hope this helps some.

Nick



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