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Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

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Old 07-31-2002, 08:31 PM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

At ttcautomotive.com/products/t-56.asp there is a listing of available t-56 transmissions/gear ratios/torque capacities.

<small>[ July 31, 2002, 08:32 PM: Message edited by: 99 WS6 ]</small>
Old 08-02-2002, 10:28 AM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

For anyone near Cleveland, I used Brunswick Transmission. The $850 for all synchros was done by FLP up in Chicago.
Old 08-12-2002, 01:14 PM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Big Mike:
<strong>Why not drop an entire Z06 tranny right in. Why bother messing with the gears and such. Should bolt right up.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">This will not work. The transmission in the C5 Corvette is a rear mounted transaxle. There is no way you can bolt one into an F-body.
Old 08-12-2002, 01:17 PM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

The guy I talked to say there is no actual difference (other than the ratios and the input shaft) in the Viper and our T-56. I am now going on my 5th T-56
No, the ratios in the Viper T56 are the same. The input shafts are different. So is the synchro material I think.

<small>[ August 12, 2002, 01:18 PM: Message edited by: 1CAMWNDR ]</small>
Old 08-13-2002, 10:03 AM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

hey CAMWNDR- see that pedal to the far left, thats the clutch you should try using it when you shift, it will help not destroy your trans as fast! lol
Old 08-13-2002, 10:32 AM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

Uh, What?
That stuff in Bold is a quote a few spots higher. He says the ratios are different in the Viper which they are not. I stated the ratios are the same and that the input shaft and synchro material are different from the T56 in F-bodies.
I did,however, go through 4 T56 trannies due to 2 sets of synchro problems, and some things the techs at the Pontiac dealership couldn't answer <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" /> .
They actually tried to say one of the "unexplainables" was the Pro 5.0 shifter <img border="0" alt="[jester]" title="" src="graemlins/gr_jest.gif" /> .
Old 08-18-2002, 10:36 AM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

I am building a road racer and would like to have a closer ratio gearbox. I am starting with a '99 T56 and would like to put the .8 5th and the .62 6th in my 'box. Has anyone done this?
Here is the chart for my application. (3.73 diff, 25" Tire, shift at 6200)

Gear Ratio Speed Pickup_RPM
1 2.66 46.5
2 1.78 69.5 4149
3 1.3 95.2 4528
4 1 123.8 4769
5 0.8 154.7 4960
6 0.62 199.6 4805

<small>[ August 18, 2002, 10:39 AM: Message edited by: Derek 357i ]</small>
Old 08-18-2002, 10:42 AM
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Default Re: Has anyone found a way to change the first gear ratio in the T-56 to the Z06?

Sorry that chart didn't line up worth a shiznit, but you can get the idea. I'll eventually be changing engine internals to allow me to spin a bit higher RPMs. This is going to be in a 2400# car, so I am not going to need tons of gear to get the thing up and going.



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