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Need suspension formula

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Old Mar 20, 2017 | 07:43 PM
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Airborne-F250's Avatar
Airborne-F250
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From: Lithia springs ga
Need suspension formula

I need the formula for suspension
An example if I have a Dana 70 rear end and F350 leaf springs in the rear and a Dana 60 in the front and coil springs from an F250 in the front what would my payload capacity be. I understand curb weight minus gvwr.
now here's where I'm going to lose a bunch of you I don't care about gross vehicle weight rating laws. I understand the purpose the reason but have nothing to do with this build
All I'm trying to do is if I take a truck that has x-rated on the suspension for the payload and I totally redesigned the suspension how will I figure out what it's payload capacity is
For example if my Springs can hold 2000 pounds each and my axle can hold 6000 pounds does that mean my truck can hold close to 4g easily?
 
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