Transmissions and Drivetrain Need help with your trans? Problems with your axle?

T56 and cruise control

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Old Jul 10, 2012 | 07:52 PM
  #1  
Bristol's Avatar
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From: Vancouver, B.C.
Car: 1991 Z28 1LE
Engine: 355 CID HSR
Transmission: T56
Axle/Gears: 3.23 for now
T56 and cruise control

Soory if this has been covered. I tried searching but didn't see a deifinitive answer. I'm just finishing up a 700R4 to T56 swap in my 1991 Z28. I would like to keep cruise control working. I know if you use a T5 cruise interupt switch on the clutch pedal and use a "T" to the vaccum line from the brake pedal you will be able to vent the vacuum and temporarily stop cruise until the pedal is released. Cruise will resume when the clutch pedal is released. You would need a switch that can wire into the circuit of the brake pedal switch and still have vacuum release. Does anyone have a part # of a switch that will work?


Thanks guys

Kris
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Old Jul 10, 2012 | 08:29 PM
  #2  
LilSki's Avatar
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Car: 85 Trans Am
Engine: 98 Vortec 350 LT1 Cam w/ TPI
Transmission: T56
Axle/Gears: 9 bolt 3:27
Re: T56 and cruise control

on my 85 the clutch does not get a vacuum release. It only gets the electrical switch which is in the same circuit as the brake electrical release switch. Only the brake gets the vacuum dump.

SO in your case all you would need to do is add the clutch release switch and put it in line with the brake release wire.

Cruise does not and should not resume if the clutch pedal is depressed. It disengages the cruise completely but you simply use the resume function to resume cruise speed.
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Old Jul 11, 2012 | 03:03 PM
  #3  
Bristol's Avatar
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iTrader: (1)
 
Joined: Aug 2002
Posts: 389
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From: Vancouver, B.C.
Car: 1991 Z28 1LE
Engine: 355 CID HSR
Transmission: T56
Axle/Gears: 3.23 for now
Re: T56 and cruise control

Thank you
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