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

torque arms differ ?

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Old Nov 20, 2005 | 09:48 PM
  #1  
Randy82WS7's Avatar
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From: 62656
Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
torque arms differ ?

i heard there may be a couple different torque arms in these cars ??

the 82 had a 4 speed originally and then up to recently a th350 longtail

now its getting a 3L80HD(heavy thm400/475 basically)

am i gonna have a problem with the TQ ?

the tailshaft housing on the 3L80HD bolts on 25" behind the front end of the tranny

i dont know if this is how all the thm400s are ?

i dont have a thm400 here to measure and check this with so that i know a thm400 B&M bracket will work

Last edited by Randy82WS7; Nov 21, 2005 at 08:47 AM.
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Old Nov 20, 2005 | 09:54 PM
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All I know of is the fact they have the lips facing either in or out, at the front, where it slides into the bracket on the trans. When I ordered my poly bushing, I had to go look on the car to see what one I had. I also converted from a stick, to an auto, and the two torque arm brackets will not interchange, at the trans tailshaft. HTH.
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Old Nov 21, 2005 | 08:47 AM
  #3  
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From: 62656
Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
oh

ok

but the TQ's were the same ? no length issues ?

thansk
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Old Nov 21, 2005 | 11:56 AM
  #4  
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I dont believe so...but I can be wrong. Wont be the first time. Maybe someone else can add to the thread if the length actually is different. I think the aftermarket has the shorter TQ arms.
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Old Nov 22, 2005 | 10:27 AM
  #5  
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From: 62656
Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
neat,

thanks

and after much consideration, i think im just gonna go with getting an aftermarket higher than stock stall converter for the THM350C trans i have and pop that in the car sinc eits already set up for(and was driving with)a longtail(9" tail) th350(700r4 length)

ill sell or trade off the thm475 trans probably, or put it in the 71 dually

hmm..
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Old Nov 22, 2005 | 10:29 AM
  #6  
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From: Rockledge, PA
their all teh same length, just differ on which way the lips face.
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Old Nov 22, 2005 | 11:58 AM
  #7  
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From: 62656
Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
thanks

hey what year is that black monte


thanks
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Old Nov 22, 2005 | 01:27 PM
  #8  
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From: Rockledge, PA
It's a 1988 LS
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Old Nov 22, 2005 | 03:54 PM
  #9  
Randy82WS7's Avatar
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From: 62656
Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
neat, last year of the montes for a while

that is one freakin clean sharp ride now


whats it got in it and all that ?

actually i will just go visit your domain and find out for myself haha

how did you get into being an EMT ?

thats cool !

Last edited by Randy82WS7; Nov 22, 2005 at 03:58 PM.
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Old Nov 22, 2005 | 05:25 PM
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From: Rockledge, PA
Wow 20 questions lol!

it's a mild 350 runs aroiund mid 13's consistenly. I could get more out of it but it's just my daily driver, saving all the work for my new camaro. I just buy parts for the monte as they come along for great deals. the gears are killing me right now, 3.08 posi with 28" tires.


I'm a biology major in college with dreams of med school, so I figiured becoming an emt would be good for experience. I work for a 911 type company so it's not just transporting dialysis patients all day. Less money but more rewarding experience

-Jim
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