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89 IROC sway bar size?

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Old 10-21-2011, 01:31 AM
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Car: 89 IROC-Z
Engine: 355ci SBC
Transmission: TH700R4 - 2500 stall
Axle/Gears: 3.70 9 bolt
89 IROC sway bar size?

Anyone know what size sway bars come on the front and rear of an 89 model IROC-Z? Looking to order sway bar end links and bushings, polyurethane, but not sure what size I need.

Thanks,

Mike
Old 10-21-2011, 06:44 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: 89 IROC sway bar size?

Originally Posted by utfan01ss
Anyone know what size sway bars come on the front and rear of an 89 model IROC-Z?
Though the link below may be helpful, your best bet would be to measure:

https://www.thirdgen.org/forums/faq-...-sway-bar.html

JamesC
Old 10-21-2011, 07:17 AM
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Re: 89 IROC sway bar size?

Hey there Mike. JamesC's measuring suggestion is a good one. We use calipers but if you don't have them grab a Crescent Hammer (ok, adjustable wrench) and use that. Then measure the gap. It just takes a second or two to get the measurements. Make sure it's on a straight section so the curve doesn't influence the measurement.

Give us a call if you need any help.

ramey
Old 10-21-2011, 07:18 AM
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Car: 89 IROC-Z
Engine: 355ci SBC
Transmission: TH700R4 - 2500 stall
Axle/Gears: 3.70 9 bolt
Re: 89 IROC sway bar size?

Very helpful! Thanks! The car is an F41 car so I have 34mm fronts and 21mm rears... too easy although I will check to make sure.
Old 10-21-2011, 07:20 AM
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Car: 89 IROC-Z
Engine: 355ci SBC
Transmission: TH700R4 - 2500 stall
Axle/Gears: 3.70 9 bolt
Re: 89 IROC sway bar size?

Originally Posted by UMI Sales
Hey there Mike. JamesC's measuring suggestion is a good one. We use calipers but if you don't have them grab a Crescent Hammer (ok, adjustable wrench) and use that. Then measure the gap. It just takes a second or two to get the measurements. Make sure it's on a straight section so the curve doesn't influence the measurement.

Give us a call if you need any help.

ramey

Thats a good idea, didn't even think of that.. and yeah I've got a set of calipers so I'll get out there and double check before ordering. Btw, just want to say UMI's suspension parts are top notch... very impressed with my caster/camber plates and tubular rear LCA's and Panhard bar... will be buying more from you guys for sure!
Old 10-21-2011, 11:22 AM
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Re: 89 IROC sway bar size?

Hey again Mike. Glad you like our products. We take pride in designing and building everything right here in Philipsburg, PA - USA.

We also drive on and race our own products. If you have any technical questions we're happy to help. You can ask for Jerry as he's had the most time in our IROC test car.

Have a good weekend.

ramey
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