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Old 06-10-2018, 11:33 PM   #1
tylerng1999
 
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NPP Exhaust Vacuum to Electric Conversion

Attempting to swap out the factory vacuum actuators on the NPP exhaust to a set of electric actuators found on eBay. Pics of the reverse polarity switch installed and the actuators.
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Old 06-10-2018, 11:45 PM   #2
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I dig it. I wish I could turn it off at idle
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Old 06-11-2018, 07:05 PM   #3
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Quote:
Originally Posted by WHAMMO View Post
I dig it. I wish I could turn it off at idle
You can, I found a write up somewhere in here on how to do a 3 way switch (stock, always open, always closed).
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Old 06-11-2018, 07:06 PM   #4
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https://www.camaro5.com/forums/showthread.php?t=318683

Post #9. This is assuming the car came with NPP from the factory.
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Old 06-15-2018, 05:50 PM   #5
SSAvery
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Any update on this? I would be interested in something like this myself. I have the NPP but running it with open valves! Sounds awesome, but I would like to be able to close the valves in the neighborhood and on the highway. I have seen a few different vacuum related ways of controlling it, but I think an electric valve would be more of my speed.


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Old 06-15-2018, 11:09 PM   #6
tylerng1999
 
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Originally Posted by SSAvery View Post
Any update on this? I would be interested in something like this myself. I have the NPP but running it with open valves! Sounds awesome, but I would like to be able to close the valves in the neighborhood and on the highway. I have seen a few different vacuum related ways of controlling it, but I think an electric valve would be more of my speed.


-Avery
Progress is slow, taking summer classes and have at job at the moment. But it'll definitely be finished in the near future!
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Old 06-16-2018, 03:40 PM   #7
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First challenge to address is the distance to the point where the actuator attaches to the arm to move the butterfly valve is only one inch of travel while the electric actuators have 2 inch of travel. While I wanted 1 inch travel actuators in the first place, they were significantly more expensive than the 2 inch ones I picked up. To prevent the actuators from over extending they have built in limit switches as pictured so I can either figure out how to trigger the limit switches early or move the limit switches to allow the actuator only a 1 inch throw. Thoughts besides being over engineered?
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Old 06-17-2018, 08:56 AM   #8
christianchevell
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Turing off the exhaust is able to be accomplished with a Forza threeway controller

http://forzacomponenti.com/
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