Zilla's rebuild (exhaust mod revealed, gauges going in.....)
#455
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QTP electric exhaust cutout review:
Pros
1. Nice with the controller.
2. Really cool looking.
3. Programmable. Full open, full closed, auto close on power up, pre-programmed open positions (2 of them), programmable trigger wire (automated or manual switched), etc. Can also control a pair of cutouts.
4. Real head-turner. Nothing but a train horn beats it.
5. Really does seem to open up the top-end horsepower.
CONS
1. Didn't work. Calibrate said EEEERT. Motor moved about 1 degree. Took it apart and found the motor, mounting bracket, coupler, and flange were all misaligned, binding the motor up. I fixed it though.
2. No other cons.
Install pics (Y pipe welded in pics are on previous pages of this topic):
![](https://i21.photobucket.com/albums/b251/bcphotos/DSC03958.jpg)
![Name: DSC03959.jpg
Views: 12
Size: 101.8 KB](https://www.gmforum.com/attachments/performance-brainstorming-tuning-96/49606d1501310074-zillas-rebuild-exhaust-mod-revealed-gauges-going-dsc03959.jpg?*=9a3a216f553e6a8d4933e1f8f1853802)
![Name: DSC03960.jpg
Views: 12
Size: 81.2 KB](https://www.gmforum.com/attachments/performance-brainstorming-tuning-96/49607d1501310074-zillas-rebuild-exhaust-mod-revealed-gauges-going-dsc03960.jpg?*=9a3a216f553e6a8d4933e1f8f1853802)
Controller has 3 wires and a harness to the motor (quick disonnect there and under the car so I can put the motor/cutout away for the winter and cap it off). Controller is a 3-digit red LED digital display with 2 buttons.
Further review after a few days of playing with it. In the meantime, enjoy this 10 mb video (right click, save as).
It'* a pretty fun vid to watch.![Wink](https://www.gmforum.com/gm/images/smilies/wink.gif)
http://www.zillamotorsports.com/cutout.wmv
Pros
1. Nice with the controller.
2. Really cool looking.
3. Programmable. Full open, full closed, auto close on power up, pre-programmed open positions (2 of them), programmable trigger wire (automated or manual switched), etc. Can also control a pair of cutouts.
4. Real head-turner. Nothing but a train horn beats it.
5. Really does seem to open up the top-end horsepower.
CONS
1. Didn't work. Calibrate said EEEERT. Motor moved about 1 degree. Took it apart and found the motor, mounting bracket, coupler, and flange were all misaligned, binding the motor up. I fixed it though.
2. No other cons.
Install pics (Y pipe welded in pics are on previous pages of this topic):
![](https://i21.photobucket.com/albums/b251/bcphotos/DSC03958.jpg)
![Name: DSC03959.jpg
Views: 12
Size: 101.8 KB](https://www.gmforum.com/attachments/performance-brainstorming-tuning-96/49606d1501310074-zillas-rebuild-exhaust-mod-revealed-gauges-going-dsc03959.jpg?*=9a3a216f553e6a8d4933e1f8f1853802)
![Name: DSC03960.jpg
Views: 12
Size: 81.2 KB](https://www.gmforum.com/attachments/performance-brainstorming-tuning-96/49607d1501310074-zillas-rebuild-exhaust-mod-revealed-gauges-going-dsc03960.jpg?*=9a3a216f553e6a8d4933e1f8f1853802)
Controller has 3 wires and a harness to the motor (quick disonnect there and under the car so I can put the motor/cutout away for the winter and cap it off). Controller is a 3-digit red LED digital display with 2 buttons.
Further review after a few days of playing with it. In the meantime, enjoy this 10 mb video (right click, save as).
It'* a pretty fun vid to watch.
![Wink](https://www.gmforum.com/gm/images/smilies/wink.gif)
http://www.zillamotorsports.com/cutout.wmv
#457
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It didn't open at ALL when I started. Wouldn't calibrate either. I had a sneaking suspicion it was mechanical binding from the reaction of the motor not responding to commands from the controller.
A little mechanical magic (lubrication and realigning), it'* working great now. I'll time it tomorrow to see how long it takes to go from fully closed to fully open. I'm guessing right now that it'* about 2 seconds.
A little mechanical magic (lubrication and realigning), it'* working great now. I'll time it tomorrow to see how long it takes to go from fully closed to fully open. I'm guessing right now that it'* about 2 seconds.
#459
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So now you technically one step away from open tubular headers! Reminds me of the Old corvette sting rays!
That will give you a good edge at the track!