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'85 G-body rear springs- diameter?

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Old Dec 25, 2007 | 03:26 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"
'85 G-body rear springs- diameter?

im thinking about taking this clean 101k 85 cutty supreme to the shredder- sooner than later

anyone happen to know the diameter of the ends of the rear springs on these cars ? 78-87 years

id like to stick them under the back of my 82 TA to stiffen and/or get the back of it off the ground since it is dragging


i cant remember which GM models had the larger coils, and which had the smaller ones



other than that i cant think of anything very useful from this car except maybe the power steering box, front brake parts(i needed good rotors and calipers for the 82 anyways), driveshaft, alternator, fuel in the tank, hmm..

thanks

Last edited by Randy82WS7; Dec 25, 2007 at 10:20 PM.
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Old Dec 25, 2007 | 08:05 PM
  #2  
blyth18md's Avatar
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From: Western Maryland
Car: 82z28
Engine: 406
Transmission: th350
Axle/Gears: 3.23
Re: '85 G-body rear springs- diameter?

AFAIK the rears wont work, the springs on those cars were pigtailed on both ends.
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Old Dec 25, 2007 | 09:19 PM
  #3  
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Car: '82 Recaro T/A, '71 Trans Am
Engine: 305CFI/455HO
Transmission: TH700R4/M22
Axle/Gears: 3.23/3.42
Re: '85 G-body rear springs- diameter?

Hmmm, that pic looks very familar from over on Gbodyforum.org ....
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Old Dec 25, 2007 | 10:17 PM
  #4  
Randy82WS7's Avatar
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Car: 1991 S10 pickup 2700lbs
Engine: 4.3L Z TBI
Transmission: 700R4
Axle/Gears: 3.08 7.625"
Re: '85 G-body rear springs- diameter?

Originally Posted by blyth18md
AFAIK the rears wont work, the springs on those cars were pigtailed on both ends.

im not sure what you mean by that exactly


all i can see are the bottom ends of them and they look identical but i haven't been able to get under either car far enough yet to see the upper ends of them so see if they are the same

so far so good, unless the upper ends differ.


was hoping someone knew for sure

thanks
----------
Originally Posted by Dens71TA
Hmmm, that pic looks very familiar from over on Gbodyforum.org ....
and your vision serves you well i see

your point is ??



Last edited by Randy82WS7; Dec 25, 2007 at 10:31 PM. Reason: Automerged Doublepost
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Old Dec 26, 2007 | 09:14 AM
  #5  
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From: Buckhannon, WV
Car: 84' Monte
Engine: 350
Transmission: 700-r4
Axle/Gears: ferd 9" posi 3.50 gears
Re: '85 G-body rear springs- diameter?

They are pigtailed on both ends, but it doesnt matter they still fit. I use F-body springs in my G-body.
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Old Dec 26, 2007 | 01:55 PM
  #6  
blyth18md's Avatar
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From: Western Maryland
Car: 82z28
Engine: 406
Transmission: th350
Axle/Gears: 3.23
Re: '85 G-body rear springs- diameter?

I was under the impression that you can run the f-body springs on the g-body if you use the f-body isolator.

But I'm concerned with how well the pigtailed end would seat in the f-body.

Randy. The lower end of the spring is the same(pigtailed). The top of the f-body spring isn't pigtailed where the g-body spring is.
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Old Dec 28, 2007 | 09:42 AM
  #7  
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From: Buckhannon, WV
Car: 84' Monte
Engine: 350
Transmission: 700-r4
Axle/Gears: ferd 9" posi 3.50 gears
Re: '85 G-body rear springs- diameter?

Being pigtailed means they'll seat on a flat surface, so they will seat just fine on the F-body perches. The trick with F-body springs is that one end is NOT pigtailed so you need a seat that is the proper contour to make sit on a flat perch.

With that said I don't use the proper perch, I just put a length of heater hose on the end of the spring to prevent squeeks and go on about my buisness. The spring stays put and works fine.

The only problem you may run into is that the overall diamter of the G-body spring is larger thean the F-body and may conatact something like the exhaust.
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