Lateral-g Forums - TKO or T56?

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- Transmission and Rear End (https://www.lateral-g.net/forums/forumdisplay.php?f=39)

- - TKO or T56? (https://www.lateral-g.net/forums/showthread.php?t=5521)

fatlife

08-27-2006 06:24 PM

Quote:

Originally Posted by Teetoe_Jones

All that needs to be done fix this is hook up the pig tail to any 12V switched source. No PCM is needed. We typically wire street cars to the brake light swithc, that way anytime you apply the brakes, you can put it into reverse.

Tyler

That sounds like a great idea, but if you ever use the brakes and gas at the same time I suppose you could accidently shift into reverse, but I doubt that would happen. I don't mind slapping mine over into reverse

71Nova

08-28-2006 11:36 PM

That is how I have mine wired. Brake light. I have never acidentely shifted to reverse. If I am on the brakes and shifting at the same time I am down shifting so no real risk of ending up in reverse. If your woried about it you can wire it to a switch/button on your dash or a button on your shifter.

93Polo

08-29-2006 08:27 AM

Quote:

Originally Posted by Teetoe_Jones

Not accurate. The 93 T56 from the F body is the only one that was rated lower at 400 ft lbs, and used a different gear ratio. The 94-02 T56 all were rated at 450 ft lbs, and use the 2.66 1st, and .5 6th.

The 93 F-bodies also have 2 different sets of gear ratios depending on if the car had 3.23s (400 ft lbs) or 2.73s (360 ft lbs) from the factory.

http://www.f-body.org/faq/4/4_3.htm

I also believe the CTS-V and GTO T56s bolt up like a LS1 f-body but have the Z06 M12 ratios lower 1st and shorter 6th. I would have to look it up to be sure.

MarkM66

08-29-2006 09:52 AM

I never wired up my reverse lock out. I guess I just got use to it, :) .

BThibodeaux

08-29-2006 11:06 AM

Quote:

Originally Posted by Steve1968LS2

What was it hooked up to? My problem was that the clutch, shifter, SFI bell and all that jazz was the same as a new F-body uses.. to run the aftermarket T56 I would of had to swap most of that out. I don't think (the one I had) aftermarket T56 even has the VSS deal and it certainly doesn't plug into the LSx wiring harness.

Steve,
My T56 trans came with an adapter plate which allowed you to bolt it directly to the pre-LS1 SBC bellhousing. This is the reason for the longer input shaft. I had a ZZ4 motor, Lakewood bellhousing and manual clutch. The tailshaft on the aftermarket version was also different, as it came with a speedo gear, and allowed for the stock speedo cable. Probaly not something you would want to try to make work with an LSX motor.

Is this the info you are looking for?

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