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

T5 swap, shaft won't go in

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Old May 19, 2013 | 01:25 PM
  #1  
gearheadotaku's Avatar
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Joined: Feb 2008
Posts: 70
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From: Michigan
Car: '91 Firebird
Engine: 305 TBI w/LT1 cam
Transmission: T5 swapped in
Axle/Gears: 9 bolt 3.27 w/discs
T5 swap, shaft won't go in

Doing an auto to T5 swap on my 91 Firebird 5.0 TBI and the driveshaft won't go into the trans far enough. Using a non-WC trans (it's what I could get).
Tried the 700R4 shaft and the 'donor's shaft, same issue. Of course the shafts look the same. It just needs to go in about an inch further to allow the u-joint to hook up... It's not going to the depth it did in the 700R4.

What did I screw up?
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Old May 19, 2013 | 01:28 PM
  #2  
Johnny Blaze's Avatar
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From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
Re: T5 swap, shaft won't go in

Check splines on trans for damage.
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Old May 19, 2013 | 02:21 PM
  #3  
gearheadotaku's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Feb 2008
Posts: 70
Likes: 1
From: Michigan
Car: '91 Firebird
Engine: 305 TBI w/LT1 cam
Transmission: T5 swapped in
Axle/Gears: 9 bolt 3.27 w/discs
Re: T5 swap, shaft won't go in

splines on trans and drive shaft look good. It will go further with moderate hammer taps. (scary) The out put shaft of the trans turns freely like it should. Super tight seal? Wrong seal? It is new. Never had one like that before though.
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