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Old 08-23-2012, 12:11 PM   #15
Drives: 2013 ZL1 Conv.
Join Date: Jan 2009
Location: Texas
Posts: 131
should valves be open at idle?

I just picked up my 2013 ZL1 last week, convertible, manual.

Are the valves supposed to be open at idle? Mine are open at idle, and I can't really claim to hear a strinking difference in sound volume with rpm. I also pulled the fuse, and with no obvious difference.

I am wondering if my valves are not functioning properly, which may not be a bad thing.
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