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Old 08-08-2007, 11:00 AM
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Echo Leader Echo Leader is offline
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Join Date: Apr 2006
Location: Philadelphia
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Sweet! Thanks, Grant!

My calcs were all done with the longer bars as I have an '84 with the longs. But like I said, it's in Excel so that should be easy to modify....I guess I'll need to get a measurement of my "effective" length and use that instead.

I forget where exactly I got the formula...perhaps it was from a suspension book? My buddy has a few and may have sent it my way.

I think its:

1129000 x (D^4) ÷ AL^2 x EL = Wheel Rate

D = TB Diameter
AL = Lever Arm Length
EL = Effective Length

But I just found that on some website, so take that with the "it was on the web" grain of salt. Otherwise I'll send you the formula I've been using in my spreadsheet when I get a chance.
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James
1984 GTV6
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