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

TH200C to TH700R4 Swap

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Old Sep 13, 2009 | 02:16 PM
  #1  
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
TH200C to TH700R4 Swap

what is needed to do this, new drive shaft cross member or what???

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Old Sep 14, 2009 | 09:47 AM
  #2  
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From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
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Transmission: none
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Re: TH200C to TH700R4 Swap

If you had the 200 and want the 700, you'll need to swap driveshafts at the same time.
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Old Sep 14, 2009 | 01:30 PM
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: TH200C to TH700R4 Swap

will the 200 cross members work with the 700r4

what about the lock up control
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Old Sep 15, 2009 | 09:06 PM
  #4  
89RS_82Z's Avatar
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: TH200C to TH700R4 Swap

Bump
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Old Sep 22, 2009 | 09:46 PM
  #5  
89RS_82Z's Avatar
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: TH200C to TH700R4 Swap

ok i know i need a new drive shaft

what about crossmember, tq arm, lock up wires,

i got the TV cable for a 700
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Old Sep 22, 2009 | 10:40 PM
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From: NE Ohio
Car: 82 Z28
Engine: TT LS
Transmission: 4L80E
Axle/Gears: S60 3.54's
Re: TH200C to TH700R4 Swap

The crossmember is different. The rear mounts on the body of the car become the front. If you're short on money, you can cut the tq arm a little short. I would rather get some aftermarket setup, such as a spohn trans crossmember with tq arm mount and tq arm. The driveshaft is shorter, could get one from another car or shorten what you have. May be able to keep the same lockup stuff, but I'd count on having to do something like your own switch for it or some other aftermarket control. TV cable is longer. Dipstick tube I believe is needed. Tq converter cover is different if you end up using one. Need a different shifter if you plan on holding it in 1st gear.
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Old Sep 22, 2009 | 10:43 PM
  #7  
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: TH200C to TH700R4 Swap

ok yea i figure the shifter, getting a new dip stick and conveter cover should come with the trans
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Old Sep 22, 2009 | 10:45 PM
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: TH200C to TH700R4 Swap

Never mind.
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Old Sep 22, 2009 | 10:46 PM
  #9  
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: TH200C to TH700R4 Swap

82 Z28

my 89rs is allready mostly rebuilt, especialy the trans and rear end
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