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T56 Speedo cable mod

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Old Jun 27, 2011 | 08:20 PM
  #1  
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From: St Cloud, FL
Car: 86 IROC
Engine: 383ci
Transmission: T56
Axle/Gears: 3.42
T56 Speedo cable mod

I had alloy from the board here do my T56 tail-housing modification to use my cable drive for the speedo.

I just wanted to give him some credit on the job well done and promptness of the turn around.

Great job alloy!
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Old Jun 28, 2011 | 11:41 AM
  #2  
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From: Prince George, BC, Canada
Car: 89 GTA
Engine: 5.7L Supercharged
Transmission: T-56
Axle/Gears: Moser 9" 3.70
Re: T56 Speedo cable mod

Got more info on this? Never heard of someone doing this besides the jagsthatrun company that used to do it.

Pic's and price would be nice thanks!
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Old Jun 28, 2011 | 07:33 PM
  #3  
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From: St Cloud, FL
Car: 86 IROC
Engine: 383ci
Transmission: T56
Axle/Gears: 3.42
Re: T56 Speedo cable mod

I will let alloy handle this. I don't want to do anything he might not be ok with. You can look him up and send him a message.
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Old Jun 28, 2011 | 08:27 PM
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Re: T56 Speedo cable mod

Why not just order the retrofit version of the T56 that Tremec intends for our cars? It comes with the speedometer gears.
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Old Jun 28, 2011 | 08:39 PM
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Re: T56 Speedo cable mod

Why not just order the retrofit version of the T56
BEcause it costs about 4 times as much as a junkyard LT1 one.

And STILL isn't a bolt-in.
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Old Jun 28, 2011 | 10:30 PM
  #6  
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: T56 Speedo cable mod

Originally Posted by ronnjonn
Why not just order the retrofit version of the T56 that Tremec intends for our cars? It comes with the speedometer gears.
The 2.97 geared version is weaker than the 2.66 version.
The driveshaft needs shortened.
It has less overdrive (a major T56 advantage over the T5 is the wider overall ratio spread; the aftermarket version lacks this.)
Due to the pre-T56 bellhousing + adapter plate putting more length up front, it is harder to fit in earlier chassis cars (not third-gens) and weighs more.
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Old Jun 29, 2011 | 08:26 PM
  #7  
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From: St Cloud, FL
Car: 86 IROC
Engine: 383ci
Transmission: T56
Axle/Gears: 3.42
Re: T56 Speedo cable mod

And of course the most obvious...you already own a T56.
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Old Jul 2, 2011 | 10:36 AM
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From: Vancouver, WA
Car: 87 IROC-Z28
Engine: 305 TPI-New 355 on the engine stand
Transmission: T56
Axle/Gears: 3.73 Eaton posi-Soon a 9" Ford!
Re: T56 Speedo cable mod

Tony89GTA,

I'm heading off for work now but I'll pm you later with pics and pricing on the cable mod.

Thanks for the kudo's Jeff. Was a pleasure doing business with you.

Thanks
Dan
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