Thread: How Many Use The DashLogic on there ZL1?
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Old 08-22-2014, 03:56 PM   #140
tnspd

 
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Drives: 18 Camaro ZL1 1LE (WILSON)
Join Date: Jul 2009
Location: N.C.
Posts: 1,340
The exhaust flaps work off of vacuum. You have to have the car started to close them. You cannot start the car with them closed, no vaccum yet.

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