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

700r4 to TH400

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Old May 6, 2008 | 08:09 PM
  #1  
thesargster4's Avatar
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From: Port Charlotte, FL
Car: 1986 WS6 TransAm
Engine: THREEFIDDY!
Transmission: T5
Axle/Gears: 3.73
700r4 to TH400

Got a 89 GTA.. my 700r4 took a crap last month. Just bought a refurbed TH400 off ebay.. Should be here next week.

What do i need to complete the swap.. anything electronical, mount wise.. all i got is the tranny itself. What am i missing?

John
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Old May 6, 2008 | 08:30 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: 700r4 to TH400

New transmission crossmember. Shorter driveshaft. TH400 slip yoke for the tranny. Electric kickdown switch.

You can solve part of the problems by buying a torque arm and crossmember from someone like Spohn that's designed for the swap. The new crossmember will be in the proper position for the TH400 mount and the torque arm will attach to the crossmember. The kickdown kit can be purchased from Hurst. Contact your local driveline shop for a custom made driveshaft and slip yoke.
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Old May 6, 2008 | 09:29 PM
  #3  
thesargster4's Avatar
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From: Port Charlotte, FL
Car: 1986 WS6 TransAm
Engine: THREEFIDDY!
Transmission: T5
Axle/Gears: 3.73
Re: 700r4 to TH400

Thanks alot bro!
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Old May 6, 2008 | 09:31 PM
  #4  
igotta355z28's Avatar
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From: Bedford Tx
Car: 1991 Z28 1LE
Engine: 370CID GenIII
Transmission: 4l60e
Axle/Gears: 4.33 Moser 9inch
Re: 700r4 to TH400

u can get the drive shaft from spohn too
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Old May 6, 2008 | 09:43 PM
  #5  
thesargster4's Avatar
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Member
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Joined: Mar 2008
Posts: 183
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From: Port Charlotte, FL
Car: 1986 WS6 TransAm
Engine: THREEFIDDY!
Transmission: T5
Axle/Gears: 3.73
Re: 700r4 to TH400

First thing ima do is post in the TGO classifieds and see what some members have laying around.. if i have no luck, spohn gets the call.
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