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

a-arm dimensions

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Old Oct 5, 2011 | 04:18 PM
  #1  
cprepared125's Avatar
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From: springfield OR
Car: 85 Z28 scca C Prepared
Engine: 5.7 348 RWHP
Transmission: t5
Axle/Gears: dana 44 3.41
a-arm dimensions

Hey I'm trying to do a few spring calculations and I need the dimensions for the pivot, spring centerline, and ball joint. My only problem is I have no access to my car at the moment and was hoping maybe somebody had one laying around to measure or maybe already had the info?
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Old Oct 6, 2011 | 11:55 AM
  #2  
Roostmeyer's Avatar
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From: Wichita, KS
Car: 88 Trans Am GTA
Engine: 5.1L Gen III
Transmission: T56
Axle/Gears: 3.70
Re: a-arm dimensions

I believe the motion ratio is around .43-.45 if that's what your trying get. I'll PM you a link to a spread sheet I added spring calc's on. I don't have a great degree of confidence in it, but it should get you close for springs heights and wheel rates.
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