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Size of OEM '86 Rear Swaybar?

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Old Jun 23, 2017 | 04:48 AM
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Trickskier's Avatar
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Car: 2014 ZL1 / 1986 IROC-Z
Size of OEM '86 Rear Swaybar?

Can someone tell me the diameter of an OEM Swaybar on a 1986 IROC-Z? Is it 7/8" (22MM) or 1" (25MM)?
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Old Jun 23, 2017 | 01:16 PM
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Re: Size of OEM '86 Rear Swaybar?

What sway bar, springs... the car came with depends on the options it was shipped with.
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Old Jun 23, 2017 | 03:37 PM
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Re: Size of OEM '86 Rear Swaybar?

Originally Posted by 83 Crossfire TA
What sway bar, springs... the car came with depends on the options it was shipped with.
Sorry - Rear Swaybar. What options do you need to know?

Last edited by Trickskier; Jun 23, 2017 at 03:46 PM.
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Old Jun 23, 2017 | 09:21 PM
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Re: Size of OEM '86 Rear Swaybar?

In 1986 it should be a 23mm rear bar - although it could be a 21mm (Z28). 24mm came on the WS6 and as far as I know, no f-body came with a 25mm from GM.

Easy to measure the bar if you have it.
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Old Jun 24, 2017 | 05:28 AM
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Car: 2014 ZL1 / 1986 IROC-Z
Re: Size of OEM '86 Rear Swaybar?

Originally Posted by paul_huryk
In 1986 it should be a 23mm rear bar - although it could be a 21mm (Z28). 24mm came on the WS6 and as far as I know, no f-body came with a 25mm from GM.

Easy to measure the bar if you have it.
Thank You!
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Old Sep 24, 2017 | 11:30 AM
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Re: Size of OEM '86 Rear Swaybar?

Measured my sway bars to order new bushings yesterday. My 86 IROC has 34 in front, 23 in rear.
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