My thoughts on secondary butterfly

Discuss topics related to the CA18DE and CA18DET series engines.
bias
Posts: 258
Joined: Tue Oct 24, 2006 7:17 am
Car: 89 240sx hatch 93 240sx coupe

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I had a chance to get a ca18de but instead I pulled some parts. One of those parts was the butterfly control system. I just put it on in about 10min(most time spent figuring it out) and I have to say it made a difference. I don't have a dyno and I know people will flame me about high rpm and loss of power and all that jazz. But I enjoy racing to the speed limit and now it feels alittle more exciting. Nissan knew what they were doing. It feels tough and sounds a little beefier low end. I have a t28bb boosting @ .5bar(lol) and I can not wait to get my ebc. It's going to be a match made in heaven! Well for all those who have went past this point just look and laugh but for those who are getting here if at all possible hook up the butterfly the right way!


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The_Chosen_One
Posts: 1664
Joined: Tue Oct 17, 2006 2:05 pm
Car: 2009 Subaru Impreza 2.5i
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If it makes you feel any better Float dynod the difference. I believe he said when working properly he gained 25/lbs of torque in the lower rpm. I believe he posted up dyno sheets.

bias
Posts: 258
Joined: Tue Oct 24, 2006 7:17 am
Car: 89 240sx hatch 93 240sx coupe

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Yeah I feel better.


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