Re: post your 67-72 4x4
All the add a leaf kits I buy are a full length minus about 1" each end than the top leaf, the super thick short leaf is an overload, but some companys "try" to seel them as an add a leaf but don't actually lift the truck any more than the thickness of the leaf cause the ends of it doesn't touch the spring above it.
Someone may have had a 4" block they used with the add a leaf in the rear. I keep a bunch of different heights in my shop. Guess you have to look.
Mudman.
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1987 Green n Green machine.
5.0 4spd std.
7" lift w 35's.
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