Re: Idea for adjustable T-L

Posted by Craig Hendrickson On 2008/12/28 14:19:47

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Very good question! I had to think about that discrepancy for a while and then I realized that my analysis was focused entirely on the front suspension. Of course, in the real world, the T-L compensator is also involved.
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According to my figures, 1in strut length increase results in 1.65in wheel movement. When the T-L compensator detects the out of level, it will add more spring rate at the rear, raising it, but teeter-tottering around the center point, lowering the front back down to a final level distance of about half of my number, i.e. 0.82in. The factory number you quoted from 55-T1 is 0.75in for 1in strut length. These numbers are close enough for a first order analysis.
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So, the body height up/down numbers I stated above need to be halved because of the compensator.
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Of the two solutions, both will raise or lower the car, but to get extreme movement ("in the weeds"), you'd have to modify the lower control arm as Eric described or do something similar.
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If you mainly want to keep the above ground average center height the same while weight is added up to and including max capacity, then you could use the hydraulically adjustable link that I described instead. The vertical movement of roughly 2-3in would probably still WOW a crowd at a car show.
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Craig