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Home > Help Needed / General Tech Chat > ok, now i know what a plenum is.....

clubby_turbo

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264 Posts
Member #: 403
Senior Member

sydney Australia

22nd Dec, 2004 at 10:08:45am

ok, i'v just work'd out the go with plenums but only briefly, i got told that the bigger they are the more power you get, i thort it would be the other way around.......wouldnt having it bigger giv you more lag.......i honestly dont know what im talking about so some help would be great*tongue*

Thanks. chris

998 turbo


wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

22nd Dec, 2004 at 10:23:59am

There is a general rule about sizing plenums. a certain % of the cc of the engine.

As for the one on the metro turbo it's all about the restrictor ring.

See http://www.turbominis.co.uk/forums/index.php?p=vt&tid=513

Wil

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Vegard

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7765 Posts
Member #: 74
I pick holes in everything..

Chief ancient post excavator

Norway

22nd Dec, 2004 at 10:41:06am

Plenum should be 1,3 times the volume of the engine cc.

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.
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