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

700r4 to t5 Swap

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Old Aug 30, 2012 | 05:39 AM
  #1  
soarestransam's Avatar
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From: New Bedford MA
Car: 1988 Gta trans am
Engine: LR4 4.8
Transmission: 98-02 t56 6 speed
Axle/Gears: Bw 9 bolt (3.70’s) pbr rotors
700r4 to t5 Swap

Ok so i finished my t5 swap an boy does it feel good driving a standard trans am again but the problem i am having is that when i am coming to a complete stop it tends to stall out on me. So i was thinking that it has to do something with the torque converter plug in that plugs into the transmission on top of the left hand corner i just left it unplugged. Is this what is causing the car to stall out no ses light is coming on so what else could be the problem i set the idle to about 800 rpm's an set the the tps to .495v i was told it needs to be around .500v if i could get help on this that would be great the car is 5.7 tpi maf setup if that matters
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Old Aug 30, 2012 | 07:35 AM
  #2  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 700r4 to t5 Swap

Originally Posted by soarestransam
the problem i am having is that when i am coming to a complete stop it tends to stall out on me.
Is the speedo (VSS ) hooked up ?
If not the computer has no indication that you are slowing down
read
http://www.edgesz28.com/edgesz28/sub...tuning.htm#vss

Originally Posted by soarestransam
So i was thinking that it has to do something with the torque converter plug in that plugs into the transmission on top of the left hand corner i just left it unplugged.
All it does is allow the computer to lock the convertor,which you don't have a convertor any more so that plug is irrelevant,
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Old Aug 30, 2012 | 05:24 PM
  #3  
soarestransam's Avatar
Thread Starter
Senior Member
10 Year Member
 
Joined: May 2011
Posts: 855
Likes: 1
From: New Bedford MA
Car: 1988 Gta trans am
Engine: LR4 4.8
Transmission: 98-02 t56 6 speed
Axle/Gears: Bw 9 bolt (3.70’s) pbr rotors
Re: 700r4 to t5 Swap

Yes vSs is hooked up maybe im using the wrong sensor can i interchange with the one from the 700r4 an see if that will work ???? The speedo is also off alittle bit maybe swapping the gear would help as well
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