lose power with no exhaust?
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Evolving Member
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Joined: May 2006
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From: Little Ferry, NJ
lose power with no exhaust?
On the IX build, I want to just do a straight dump out the side to save weight. Do you guys see any issue with this? I was just going to have the fabricator make a nice straight pipe that vents out below the passenger door.
What do you guys think? We were unclear as if it would not have enough backpressure.
What do you guys think? We were unclear as if it would not have enough backpressure.
From all my studies, and seeing dynographs and cars at track etc. Open cut-out or exhaust will yield higher RPM power, and be very loud haha. I dont see why you would lose or have any problem running open exhaust turbos love to breathe!
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Joined: Jun 2005
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From: IL
well I see your thought however what type of setup are you looking to run anyways? If there are people running low 9 seconds with a full 3 " exhaust, would your car be running any faster than that?
I think there is better things to address if your making a drag car than an open exhaust....
chassis / tire setup would be more of a priority than anything
I think there is better things to address if your making a drag car than an open exhaust....
chassis / tire setup would be more of a priority than anything
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Joined: Oct 2008
Posts: 73
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From: usa
On a turbo car the less backpressure behind turbine or WG the better, no matter what.
Ideal would have an open hotside with 4-5" exducer transition and open WG, but that would melt stuff under the hood.
Freeing up backpressure would cause WG to open earlier due to greater pressure difference so a tighter preload will be needed to hold more boost.
Ideal would have an open hotside with 4-5" exducer transition and open WG, but that would melt stuff under the hood.
Freeing up backpressure would cause WG to open earlier due to greater pressure difference so a tighter preload will be needed to hold more boost.
Just leave
On a turbo car the less backpressure behind turbine or WG the better, no matter what.
Ideal would have an open hotside with 4-5" exducer transition and open WG, but that would melt stuff under the hood.
Freeing up backpressure would cause WG to open earlier due to greater pressure difference so a tighter preload will be needed to hold more boost.
Ideal would have an open hotside with 4-5" exducer transition and open WG, but that would melt stuff under the hood.
Freeing up backpressure would cause WG to open earlier due to greater pressure difference so a tighter preload will be needed to hold more boost.
https://www.evolutionm.net/forums/ev...-vs-hp-tq.htmlHave fun reading
