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Stock swaybar size for gta and springs question

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Old Jun 18, 2005 | 06:06 PM
  #1  
<<K-O>>'s Avatar
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From: Istanbul, Turkey
Car: 88 TransAM GTA
Engine: 305 LB9
Transmission: 700R4
Axle/Gears: Stock
Stock swaybar size for gta and springs question

Hi ;

I'm going to buy polyurethane bushings for my swaybars however I don't know the size of my swaybars. Anyone know the stock size of front and rear swaybars for my car. Also would it make a noticable increase in handling If I replace my swaybars with larger aftermarket swaybars.

What are my choices on aftermarket springs with stock ride height. I was going to buy moog springs then I read they were more stiff than stock ones even stiffer than eibach lowering springs. Are there any aftermarket springs that aren't stiffer than stock ones and don't lower the car.


Thanks

Last edited by <<K-O>>; Jun 18, 2005 at 06:11 PM.
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Old Jun 18, 2005 | 09:47 PM
  #2  
naf's Avatar
naf
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From: Lexington, SC
Car: 1987 SC/1985 TA
Engine: 350/vortec/fitech
Transmission: T56
Axle/Gears: 3.27 9-bolt
You're really going to have to measure your sway bars, there were too many stock combinations. Most parts places will let you borrow a caliper. The replacement moog springs have been fine for me but it's a matter of personal preference.
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Old Jun 19, 2005 | 12:44 AM
  #3  
lonsal's Avatar
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
All the GTA's I've seen have been 36mm front, 24mm rear. Of course measuring yours will confirm it. If the front measures over 1-3/8 then it is 36mm.

Lon
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Old Jun 19, 2005 | 01:34 AM
  #4  
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From: Clearfield,Utah
Car: 1987 IROC, 1989 IROC
Engine: built 305, stock 305 tpi
Transmission: Corvette 700r4, t-5
Axle/Gears: 4.10 posi, 3.08 posi
So with the springs your saying you want a stock replacement? because if they were the stock lenght and strength then they would be well... stock.
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Old Jun 19, 2005 | 06:11 AM
  #5  
<<K-O>>'s Avatar
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Joined: Dec 2003
Posts: 75
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From: Istanbul, Turkey
Car: 88 TransAM GTA
Engine: 305 LB9
Transmission: 700R4
Axle/Gears: Stock
I was looking for something softer and more powerful than stock springs while not lowering ride height I guess I'll just buy a set of moogs.

Thanks for the answers
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Old Jun 19, 2005 | 10:10 AM
  #6  
lonsal's Avatar
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Softer and stronger springs? For the ride to be softer the spring would need to be weaker, not stiffer (stronger). Also polyurethane bushings will stiffen the ride, not soften it. For a softer ride you'd want smaller sway bars and weaker springs (aka lower spring-rate). The down-side to this is more float and leaning of the car when cornering.

Lon
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