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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > butt dyno vs dynojet dyno



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      01-17-2008, 09:26 AM   #1
5soko
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butt dyno vs dynojet dyno

how much of a difference is felt for example 20WHP and 30WTQ increase? are these dyno numbers able to translate into a intial MAJOR real world feel. would this be something liek a 35hp and 45wtq gains(engine wise)
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      01-17-2008, 09:39 AM   #2
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How can you quantify butt dyno ?
=p
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      01-17-2008, 09:40 AM   #3
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more or less by feel
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      01-17-2008, 09:44 AM   #4
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Quote:
Originally Posted by 5sokol335icoupe View Post
how much of a difference is felt for example 20WHP and 30WTQ increase? are these dyno numbers able to translate into a intial MAJOR real world feel. would this be something liek a 35hp and 45wtq gains(engine wise)
Depends on the drivetrain(manual or auto, rwd or AWD).

If you specified what car model I might be able to narrowed down. But you are in the right direction as far is guessing, I would concur with your guess as well.
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Last edited by Evo8MRto335I; 01-17-2008 at 10:22 AM.
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      01-17-2008, 01:41 PM   #5
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lets take the 335i auto for example.
would a 20WHP and 30WTQ be noticable increase in power that can be felt.
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      01-17-2008, 01:55 PM   #6
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Quote:
Originally Posted by 5sokol335icoupe View Post
lets take the 335i auto for example.
would a 20WHP and 30WTQ be noticable increase in power that can be felt.

You 100% could feel that

I suspect your butt dyno would initially be able to feel a 5-10hp increase. You will feel it less and less as you drive the car more. You become numb.
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      01-17-2008, 01:57 PM   #7
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Would turning the seat warmer on make a difference in perception?
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      01-17-2008, 01:59 PM   #8
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Would turning the seat warmer on make a difference in perception?
Depends on the ambient temperature.
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      01-17-2008, 02:21 PM   #9
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How can you quantify butt dyno ?
=p
http://kalecoauto.com/index.php?main...products_id=41

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      01-17-2008, 02:23 PM   #10
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