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Rear Spring Spacers

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Old 12-06-2017, 07:47 PM   #1
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Rear Spring Spacers

I have an '88 IROC and just lowered my car with the ST Suspension springs. Looks pretty good! I just want to get the rear up a little higher. I was thinking about using a rear spring spacer to do this. I heard that whatever size spacer you use, the amount of lift double. For example, if you use a .5" spacer it'll lift the car about 1". Does anybody have experience with this? Is that accurate?
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Old 12-06-2017, 09:55 PM   #2
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Re: Rear Spring Spacers


I used the rear isolators I bought from a dealership a few years ago. They were for a '98 T/A and lifted the rear just a smidge so that it had a more aggressive stance to it.
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Old 12-07-2017, 07:59 AM   #3
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Re: Rear Spring Spacers

Quote:
I heard that whatever size spacer you use, the amount of lift double
Not true.

LOOK AT the parts in question; you'll observe that there is NO leverage or mechanical advantage anywhere in it, unlike front springs, in which that "hearing" is less inaccurate.

.5" spacer = .5" lift
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Old 12-07-2017, 07:55 PM   #4
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Re: Rear Spring Spacers

Any spacer you put between the spring and chassis will lift the car the exact amount as the spacer size. Theres nothing to double because the rear springs are more or less straight up and down. If you want it 1/2" higher in the rear, a 1/2" spacer is what you want.
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Old 12-09-2017, 09:54 PM   #5
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Re: Rear Spring Spacers

I appreciate everyone's feedback. That's what i was thinking I just wanted to be sure before I bought the parts.

Blacksunshine....your stance looks awesome. That's about what i'm going for. What size isolator did you use?
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Old Yesterday, 12:49 AM   #6
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Axle/Gears: GTA: 3.27, T/A: 2.73


Re: Rear Spring Spacers

It was the stock isolators from a '98 Trans Am. IIRC, they are ~3/4-1", but don't quote me on that.
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