Dynamometer Results & Comparisons Dyno Records | Dyno Discussion | Dyno Wars

E-Cutout gains

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Old 04-05-2009, 01:11 PM
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detox take a look at my dyno it has open and closed cutout numbers
Old 04-05-2009, 06:15 PM
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i picked up 5 hp/ 6tq on my 416 as opposed to going thru the stock dual dual catback.
Old 04-05-2009, 09:47 PM
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on my flowmaster exhaust the cutout open was worth 18hp and 30tq
Old 04-06-2009, 02:00 AM
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I see the numbers vary. Will find out sometime on tuesday
Old 04-06-2009, 02:19 AM
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I only dynoed with mine open, kinda wish I hadn't now that I've driven it more

it runs like *** with them open, shifts go soft and the car feels like it's losing 20hp...could be mental but damn it's depressing other than the noise, fuel mileage goes to crap too it seems
Old 04-06-2009, 07:51 PM
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Well my install got pushed back until friday
Old 04-06-2009, 09:30 PM
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I picked up 12rwhp 11rwtq vs going through b&b triflo..

Its worth having an E-cutout just to open it up on people when they don't expect it.

I even tried a trick at the track one time, launched with it closed and flipped the switch after I launched..by the time it opened I was rolling good on high rpms. It actually 60ft better..it was either from more low end tq or less low end tq..either way if you are searching for et you will try anything.

I will say it ran 1mph more in the 1/4 open vs closed, several times
Old 04-06-2009, 09:41 PM
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Cool. I can't wait until Friday
Old 04-06-2009, 10:13 PM
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Here is mine with the duals.. I always seem to get a better ET with them open.

Not the fastest runs, but you can get idea how much louder it is over stock.

http://www.youtube.com/watch?v=PTpSC6ndT5w

http://www.youtube.com/watch?v=qp41POVSRk0
Old 04-06-2009, 11:12 PM
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At an 1/8th mile track my buddy, who has the exact same setup as me minus the cut-out, was running .2 slower and a couple mph less than me. He's getting one welded in this season so should make for some fun races.
Old 04-06-2009, 11:13 PM
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I wondered what the gains might be if the car was dynoed while spraying.
Old 04-07-2009, 01:28 AM
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Originally Posted by Captain InsaneO
I wondered what the gains might be if the car was dynoed while spraying.
I'd say definately more than just an N/A run
Old 04-07-2009, 08:40 PM
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My last time at the track last year I went from an average of 124-125 with the cutout closed to 130mph back to back with the cutout open. This is a heads/cam/intake car spraying 150 shot. I also picked up 2 tenths on motor with the nitrous tune in the car. I could not believe it so I made several runs with it open and closed, the car was a complete animal on the bottle with the cutout open. Pacesetter headers, slp y-pipe magnaflow cat back, cutout mounted under rear passenger seat. Could not dead hook the car on the bottle so it only ran a 10.84.
Old 04-07-2009, 11:45 PM
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Only 2 more days
Old 04-10-2009, 06:20 PM
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I gained 11hp/11tq over my hooker catback setup with kooks 1-7/8ths & ORY
Old 04-10-2009, 09:36 PM
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Originally Posted by Detoxx03
Only 2 more days
And survey said!
Old 04-10-2009, 10:13 PM
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ohhh I know.....LOUD

Hope the gain where what you wanted? Sorry again for the install taking so long
Old 04-11-2009, 12:50 AM
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Originally Posted by ExceSSive
And survey said!
6rwhp/6rwtq

Originally Posted by Futral
ohhh I know.....LOUD

Hope the gain where what you wanted? Sorry again for the install taking so long
Very Loud but i'm working on finding a couple 6" magnaflow bullets to put before the tips to kill some sound/rasp.

I don't mind hanging around with you guys. I wanna personally thank you,John, and definitely Terry (It gave him some trouble) for the great work and customer service
Old 04-11-2009, 11:05 PM
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http://www.youtube.com/watch?v=8BCBN8dJyso
Old 04-11-2009, 11:10 PM
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Burnin some oil or what????? Smoke doen't look to good.



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