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

Difference between VSS's, 87-92 T5

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Old Apr 5, 2001 | 02:28 PM
  #1  
Kevin91Z's Avatar
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Difference between VSS's, 87-92 T5

Is there a difference between the T5 VSS for a MAF car and a MAP car? How about between an 87 T5 and an 88+ T5? My friend put an 87 T5 from a Trans Am in his 91 Camaro with speed density, and we've got the wires hooked up correctly, I am almost positive. However the speedometer doesnt work. I know there is a 2000 pulse vs a 4000 pulse difference somewhere. His 87 VSS also had a different plug than what I expected. Can someone help? Thanks.


------------------
West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
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-=ICON Motorsports=-
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Old Apr 6, 2001 | 09:57 PM
  #2  
Jason Aschle's Avatar
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Posts: 111
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From: Central California
Someone, please help us... 8^)

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1991 Camaro ,polished TPI, 355ci. Sportsman 11 heads, LT-4 Hot cam,Pete Jackson gear drive, on,and on, and on... 13.6 @ 102.5 with a 2:73 open rear, no traction, no tuning, no practice. Car is pictured in Chevy High Performance magazine, June 2000 issue.
http://www.geocities.com/jasonsz28us/INDEX.htm


1985 California Edition IROC red, polished TPI and polished wheels, otherwise completely stock 305ci. 700r4

1991 fullsize Blazer 4-wheel drive, 350,700r4, Pro Comp lift, K&N, TBI spacer, 3" Catco cat, 3" cat back Flowmaster, etc....

1997 GMC Yukon, red, 4 wheel drive, leather, loaded, Gibson exhaust, K&N intake, Boston pro series speakers..... That's it so far.

1971 GMC Jimmy, green, 4 wheel drive, project vehicle..

Time to sell a vehicle or two 8^)
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Old Apr 7, 2001 | 06:16 PM
  #3  
JRoy91RS's Avatar
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Joined: Sep 2000
Posts: 560
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From: Austin TX
Car: 91 RS Convertible
Engine: 355
Transmission: 700R4
Axle/Gears: 2.73 peg leg
Hey guys, I hate to jump into this post without an answer, but I have a similar question that perhaps you guys can answer for me that no one else has been able to:
I'm swapping an 87 TPI into a 91 RS (don't worry, I junked the 305 and bought a 350). How do I hook up my VSS? I have a 700R4. Thanks.

James
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