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Old 09-04-2021, 10:18 PM   #1
Join Date: Aug 2021
Location: Canada
Posts: 11
Vehicle: 1993 D21 short box/single cab
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Default Vibration between 40-60 MPH. 4" drop block 6 degree shim.

Having issues with vibration, I've got 2 degree drop blocks with 4 degree shims. Taller end towards back of truck, only went with a total of 6 degrees as it seems like consensus of a what it takes to lower a hardbody this much.

Vibration does not happen upon acceleration, only at specific cruising speed. Is it possible to have too much angle?

I know stacking blocks is a no no but it's temporary until I run air suspension next year. It's a project not a daily. Would like to figure out now while static as this is the driving height I'm after.

Last edited by D21HONG; 09-04-2021 at 11:45 PM.
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