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Home > Help Needed / General Tech Chat > What size exhaust?

snowfruit

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321 Posts
Member #: 557
Senior Member

Ireland

Does the exhaust need to be of a larger diameter for a turbo charged engine than a na one? i.e. the recommended exhaust size for a 998cc engine is no more than 1.75" diameter - does this apply to a turbo also, or would a 2" system be better?

http://mini.twisted-design.net/blog/


iain
Site Admin

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8506 Posts
Member #: 16
Sold the turbo and seeing what the C20XE can do!

Near Lincoln

2" + for turbo all the way. the turbo will do the silencing. less back pressure the better *smiley*


Joe C

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Carlos Fandango

Burnham-on-Crouch, Essex

It's probably not worth going larger than about 2.75" thou,

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



snowfruit

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321 Posts
Member #: 557
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Ireland

thanks guys :)

http://mini.twisted-design.net/blog/


mikemph

450 Posts
Member #: 449
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Oxford

On 09/09/2005 15:17:27 mini13 said:

It's probably not worth going larger than about 2.75" thou,


2.75"thou thats pretty small, about the size of the avarage human hair lol

Think may be might just be a typo but still small


Just the way its written just made me chuckle my stupid sense of humour I guess

Edited by mikemph on 9th Sep, 2005.


Dr. jinG

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Roseville, CA (USA)

The bigger, after the turbo, the better. You want the best pressure differential possible. I ran my turbo with no exhaust, and it actually sounded pretty sweet! Check it out in my first installment (bottom of the page) under www.drjing.com

There are two video files ("Really Dark Video" and "Another Really Dark Video"), and you can hear the exhaust note. Pretty sweet!

**************************************
1967 Cooper 's' Turbo build @ www.drjing.com

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