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Old 03-20-2013, 09:20 AM   #43
SamHouseIII
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Here is the diagram...
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Old 03-20-2013, 09:30 AM   #44
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So I'm reading that correct... something with the fuel pump control module is telling the exhaust flap relay when to operate?
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Old 03-20-2013, 01:32 PM   #45
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So I'm reading that correct... something with the fuel pump control module is telling the exhaust flap relay when to operate?
More to it than this, it is telling the exhaust control valve to apply less vaccum or more vaccum based on reading of several things, Throttle Position and engine load......

http://www.autonews.com/article/2012...#axzz2O6dw5UVB

Based off the Corvette, here is a good break down.

http://www.justanswer.com/chevy/1ap8...e-exhaust.html
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Old 03-20-2013, 01:44 PM   #46
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I'm currently in the "removed fuse" stage, but I really like the option of being able to turn the system on and off at will. I will be doing this soon.
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Old 03-20-2013, 01:48 PM   #47
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Quote:
Originally Posted by SamHouseIII View Post
More to it than this, it is telling the exhaust control valve to apply less vaccum or more vaccum based on reading of several things, Throttle Position and engine load......

http://www.autonews.com/article/2012...#axzz2O6dw5UVB

Based off the Corvette, here is a good break down.

http://www.justanswer.com/chevy/1ap8...e-exhaust.html
Well then! ... Looks like I have to learn to love the loud starts. I don't see any real way around that. Thanks for the articles.

I think the Corvette system works a little different than the one in the ZL1 because Sunset Orange Creations makes a different module for the Vette and the ZL1. The one for Vette allows way more control over the valves, mainly that it will leave the valves in the position they were in when the car was shut off.
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Old 03-20-2013, 04:31 PM   #48
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Quote:
Originally Posted by SamHouseIII View Post
More to it than this, it is telling the exhaust control valve to apply less vaccum or more vaccum based on reading of several things, Throttle Position and engine load......

http://www.autonews.com/article/2012...#axzz2O6dw5UVB

Based off the Corvette, here is a good break down.

http://www.justanswer.com/chevy/1ap8...e-exhaust.html
Damn, could GM engineers have made that any more complicated. I'm glad I just went with the switch.
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Old 03-24-2013, 12:33 AM   #49
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so what happens if you just leave the F8 fuse out? any ill effects other than loud exhaust full time?
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Old 03-24-2013, 07:56 AM   #50
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so what happens if you just leave the F8 fuse out? any ill effects other than loud exhaust full time?
None reported.....Many have been running this way since day one...

Also you have to consider this, If the fuse blew and it is hidden in the trunk, most folks would not even consider checking it because they would not really notice a exhaust note difference, thus why I am confident that the engineers would consider this in the design too, no long term ills.
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Old 03-24-2013, 09:22 AM   #51
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Just to clarify; the mild to wild switch allows one to manually close (as much as the factory settings allow) or open the butterflies at regardless of rpms, correct?
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Old 03-24-2013, 12:26 PM   #52
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Just to clarify; the mild to wild switch allows one to manually close (as much as the factory settings allow) or open the butterflies at regardless of rpms, correct?
Correct, be this in a manual or remote type way.
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Old 03-24-2013, 12:35 PM   #53
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Also on the way home, wife and I were discussing this, if it was important to have the butterflies working correctly, there would be a sensor on it to tell you something was not working.
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Old 03-24-2013, 01:27 PM   #54
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Correct, be this in a manual or remote type way.
Thanks.
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Old 03-24-2013, 01:28 PM   #55
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Correct, be this in a manual or remote type way.
Well not really at least on the camaro
It's either in full open or automatic
You can't force it closed

I would.prefer if it did just force them closed for quiet times around town.



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Old 03-24-2013, 01:36 PM   #56
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Well not really at least on the camaro
It's either in full open or automatic
You can't force it closed

I would.prefer if it did just force them closed for quiet times around town.



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Darn. I wanted the option to close it using the switch.
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