DIY electric cut out
05-04-2014, 09:25 PM
#1
DIY electric cut out Has anyone tried making their own E-Cut out?
With all the great parts that McMaster Carr and Granger have, I would of thought that someone did this by now.
I wonder if the DBW Throttle body would work, lol... It can take the heat of the engine bay, I wonder if it would hold up as a E-Cutout?!
The collectors on my LT are 3.5" and the standard TB seems to be 90mm / 3.54"... Hmmm....
With all the great parts that McMaster Carr and Granger have, I would of thought that someone did this by now.
I wonder if the DBW Throttle body would work, lol... It can take the heat of the engine bay, I wonder if it would hold up as a E-Cutout?!
The collectors on my LT are 3.5" and the standard TB seems to be 90mm / 3.54"... Hmmm....
05-05-2014, 12:17 PM
#3
TECH Fanatic
I liked the idea so I did a google search and found this.
http://clubroadster.net/vb_forum/19-...st-cutout.html
sounds like it worked for about a week before it died.
http://clubroadster.net/vb_forum/19-...st-cutout.html
sounds like it worked for about a week before it died.
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05-07-2014, 11:32 AM
#12
TECH Fanatic
It's not electric but it looks like a good cheap option.
http://honda-tech.com/showthread.php?t=2225245
You could buy a $70 ebay universal 90mm TB and still be under $100.
http://honda-tech.com/showthread.php?t=2225245
You could buy a $70 ebay universal 90mm TB and still be under $100.
05-22-2014, 08:00 AM
#15
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Been playing around a bit, looking for faster actuation
and something that won't wear out.
I found that a solenoid open, spring closed gizmo is
not stout enough to keep the plate from rattling. I
have not gotten around to trying solenoid-closed,
spring open.
Got a high torque RC servo coming, to try that out.
All reusing the McCord plate, but I also have a few
others (they break, people throw them out) all
basically the same.
I may one day get around to the vacuum operated
concept, or maybe exhaust back pressure actuated.
Got a box full of vacuum biscuits for that.
But there's a lot to be said for the simplicity of a
mechanical cable setup.
and something that won't wear out.
I found that a solenoid open, spring closed gizmo is
not stout enough to keep the plate from rattling. I
have not gotten around to trying solenoid-closed,
spring open.
Got a high torque RC servo coming, to try that out.
All reusing the McCord plate, but I also have a few
others (they break, people throw them out) all
basically the same.
I may one day get around to the vacuum operated
concept, or maybe exhaust back pressure actuated.
Got a box full of vacuum biscuits for that.
But there's a lot to be said for the simplicity of a
mechanical cable setup.
06-07-2014, 08:06 PM
#17
So no one has an opinion on the use of the TPI or LT1 oval dual blade TBs?
Not just sticking with GM, does anyone know what the biggest cable driven TB is? A 90mm would work for me, but the LS2 and Truck (I assume the Trailblazer SS) TB are all DBW.
06-08-2014, 12:50 PM
#18
TECH Fanatic
It would work but wouldn't flow much. The area of the twin 48mm blades is only 3619mm, the area of a 90mm throttle body is 6362mm. It would be about the same as having a 2 5/8" cut out. A LS1 or cable operated truck TB would be close to 3" so that would make a good cheap TB to use.
