Quote:
Originally Posted by aerosam
How do I figure that out?
I think I might just take Antonia's advice and call GAZ on Monday.
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Good thinking.
But to answer your question, you need to know how heavy that corner is, and what ride height you want. If the corner was for instance 400lbs, and the spring was vertical, and you ignored the wight of the wheel, brake etc, then a 200 lb spring would be compressed 2 inches, whereas a 400 lb spring would only be compressed 1 inch, so knowing the unfitted length is important or you may end up with a spring which requires the platform to be done up a long way to get the ride height, or where the car is too high on the platforms lowest setting.
It gets really complicated when you consider that the springs are at an angle to the vertical, and that the spring lower mount is some distance from the wheel.
I've got a spreadsheet written by Mike Capon, who posts on Locostbuilders.co.uk which I could email to anyone who wants it, or who knows how to put it up here so everybody can use it (It won't help if they don't know their wieghts though).
Might be better if you just take advice from someone who has fitted a set that gives good results, AND who knows how long the springs were before they fitted them.