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Old 06-02-2022, 08:39 PM   #316
joedoh
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Join Date: May 2007
Location: Doodah Kansas
Posts: 7,754
Re: Francis the Tow Pig - 1949 GMC 250 Dually

if your springs are too soft all a stiffer shock will do is foam from oscillating, which will act like no shock at all. shock mounts arent made to take the weight of the truck either, the lowers are single shear. i think you are right that the bed is too much.

I used ride tech leafs on truck #1 7 years ago, they would "duck" when accelerating and I had good kyb monotubes on it by the end. it still rides soft, I stay in touch with the owner.

the reason i suggested the big flat overload is the same reason 6DoF said. because instead of the spring pack bending at the leaf mount/shock mount, the flat overload will eventually make the leaf pack flat, raising the spring rate, stopping the droop.

if you want to try lowering the truck without drop leafs, get a Z85 pack (three arches leafs + overload) and take out the smallest leaf, then set the ride height with blocks and keep your half springs for hop. in fact adding the overload to the air ride leafs will not help hop either.
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