Suspension and Chassis Questions about your suspension? Need chassis advice?

wonder bar install

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Old Dec 1, 2012 | 03:19 PM
  #1  
TPI-Formula350-'s Avatar
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From: Long Island New York
Car: 89 Formula 350
Engine: Forged 385 H/C/I
Transmission: 700R4-4300 Stall-lockup
Axle/Gears: BW 9 Bolt 3:70
wonder bar install

I just ordered the TDS wonder bar, I've been reading it's a pretty easy install. I'm just wondering if it better to have the car on ramps of the suspension unloaded to install?
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Old Dec 1, 2012 | 03:41 PM
  #2  
Camaro82Z28's Avatar
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From: Saskatchewan, Canada
Car: '82 Z28
Engine: Dart 406 ci
Transmission: T56
Axle/Gears: 3.42
Re: wonder bar install

Originally Posted by TPI-Formula350-
I just ordered the TDS wonder bar, I've been reading it's a pretty easy install. I'm just wondering if it better to have the car on ramps of the suspension unloaded to install?
Makes no difference. I drove mine up on ramps and had it done in about 5 minutes.
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Old Dec 1, 2012 | 04:03 PM
  #3  
TPI-Formula350-'s Avatar
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Joined: Aug 2003
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From: Long Island New York
Car: 89 Formula 350
Engine: Forged 385 H/C/I
Transmission: 700R4-4300 Stall-lockup
Axle/Gears: BW 9 Bolt 3:70
Re: wonder bar install

Originally Posted by Camaro82Z28
Makes no difference. I drove mine up on ramps and had it done in about 5 minutes.
I was just wondering if it would be harder to get the sway bar bolts back in if the suspension was hanging, no load.
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Old Dec 1, 2012 | 04:17 PM
  #4  
Flip 2's Avatar
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From: Bethlehem, CT
Car: 1983 Firebird SE
Engine: C5 LS1
Transmission: 6 speed
Axle/Gears: 3.42
Re: wonder bar install

Makes no difference..... just have it flat. Ramps are good. You have to be able to get to the mounts.
Some Wonder Bars do not fit if you have factory dual fans. I got a UMI one when I went to the dual fans. My Spohn did not fit.
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Old Dec 1, 2012 | 07:41 PM
  #5  
85FBTranam's Avatar
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From: Ontario, Canada
Car: 1985 Pontiac Trans Am
Transmission: BW T5, Hurst Short Throw Shifter
Axle/Gears: 3.70 Posi
Re: wonder bar install

I just put the front end on jack stands. Its helpful to have a small jack to lift the sway bar back up if you are on your own. Agreed, it only takes a few minutes. Super easy if you have an impact gun.
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Old Dec 2, 2012 | 07:36 PM
  #6  
Ron U.S.M.C.'s Avatar
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Joined: Apr 2006
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From: Northern, CA
Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: wonder bar install

Same here,I just used jack stands and a small floor jack for the sway bar.
Heres a link to a UMI bar install.
https://www.thirdgen.org/forums/afte...ml#post5141124

Last edited by Ron U.S.M.C.; Dec 6, 2012 at 08:56 PM.
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Old Dec 2, 2012 | 08:20 PM
  #7  
D&S 85 IROC's Avatar
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From: Lexington NC
Car: 85 IROCZ
Engine: 350 TPI with a fast EZ efi
Transmission: t-5 conversion
Axle/Gears: 3;42
Re: wonder bar install

When I buy one ( next Month) I'll be doing it on my 4 post lift, I hate crawling under cars on my back
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Old Dec 7, 2012 | 12:54 AM
  #8  
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
Re: wonder bar install

Another advantage of the TDS Steering Brace vs any other brand. Once you've removed the 2 bolts per sway bar mount bracket and dropped the sway bar, you install the steering brace using the 3rd hole and another existing bolt on the chassis. Then you lift the sway bar back up and tighten the remaining bolts. Every other brand you'll be lifting the sway bar AND steering brace at the same time and fiddling with the two bolts per side to install.

Lon
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Old Dec 7, 2012 | 03:34 AM
  #9  
Ozz1967's Avatar
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From: St. Cloud, MN
Car: 1984 Trans Am
Engine: LS1383 in work
Transmission: Magnum F - to be installed
Axle/Gears: Zexel Torsen 3.73, 28-spline mosers
Re: wonder bar install

I have the TDS wonderbar in mine and it went in with zero issues
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Old Dec 7, 2012 | 03:37 PM
  #10  
TallTim's Avatar
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From: South FL
Car: 1989 Formula T-Top
Engine: 350 TPI, twin turbo
Transmission: 700R4
Axle/Gears: 3.23
Re: wonder bar install

+1 on the dual fans - the bar does not line up with the holes in the frame - about 1/8" off. What do the dual fans have to do with it I wonder.
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Old Dec 7, 2012 | 07:10 PM
  #11  
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From: Bethlehem, CT
Car: 1983 Firebird SE
Engine: C5 LS1
Transmission: 6 speed
Axle/Gears: 3.42
Re: wonder bar install

Here is what I found on my car. I have not seen the TDS bar.
Where the factory piece is small in diameter, aftermarket Wonder bars use large diameter bars. Spohn bar was in the same place as my dual fans. UMI has their bar moved back on the mounts - towards the rear wheels. Takes the bar out of where the dual fans are.
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Old Dec 7, 2012 | 08:56 PM
  #12  
-AO-'s Avatar
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From: Wilmington, NC
Car: 3rd gen!
Engine: SBC
Transmission: yes
Axle/Gears: yes
Re: wonder bar install

Every 3rd gen should have a TDS wonderbar. Mine fit perfect with the big Edelbrock sway bar.
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Old Dec 8, 2012 | 03:11 PM
  #13  
TPI-Formula350-'s Avatar
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Joined: Aug 2003
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From: Long Island New York
Car: 89 Formula 350
Engine: Forged 385 H/C/I
Transmission: 700R4-4300 Stall-lockup
Axle/Gears: BW 9 Bolt 3:70
Re: wonder bar install

great fit and easy install just like TDS advertised. I've seen people say some wonderbars have clearance issues with duel fans. TDS bar had no issues with my duel fans.
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