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Old 08-16-2014, 02:18 PM   #1
pinturbo75
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Join Date: Aug 2014
Location: west columbia, s.c.
Posts: 61
72 gmc 3500 car hauler hopping badly

at about 35-45 miles per hour the rear end hops really bad.... shakes the whole truck...has the big leaf pack with overload pack and no shocks.... any ideas???? thanks. steve....
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