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Old 08-11-2020, 08:58 PM   #7
impulse
 
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Drives: Big Dually ... RIP ZL1
Join Date: May 2020
Location: Nearest (diesel) station
Posts: 218
Went outside with my headlamp 8mm socket and flathead. Loosened everything, gave it a jiggle and tightened the shit outta everything. No more whistle here folks. So for future reference if it makes that annoying ass sound it’s the fitment! Little disappointed though I thought the whine would be louder. Maybe my new pulley will make it louder.
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