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Old 04-12-2016, 03:23 PM   #75
Super_Dave
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Join Date: Jul 2014
Location: Sherwood, Oregon
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Re: 1974 C20 Soon to become a project...

Quote:
Originally Posted by slotard View Post
14FF axle tubes (that's what my '73 C20 has, so I'll assume you have one too) are 3 3/8" diameter. If you do the axle flip without doing anything else, that leaves 1 1/8" suspension travel (axle to frame distance = leaf to frame - axle diameter) unless you notch it. Add in a softer spring thanks to pulling the overloads and it'll be even less uptravel. You'll need to notch the frame.
Having not done a flip, and with new KYB's on all corners, what kind of travel will be needed/recommended for "normal" (subjective, I know...) driving conditions? Trying to determine, if a notch is needed, just how much should I chop... I know the "kits" already have it built in, but thinking my body guy might be able to take a smaller bite out and box the rails...
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