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Location:
Brisbane
Registered:
May 2002
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Re: Plenum size
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Wed, 18 February 2004 07:54
 
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That's exactly it. The plenum size affects the inlet tuning and thus torque characteristics of the engine. A larger plenum is more suited to low-rpm torque but throttle response will suffer, while a smaller plenum (or no plenum in the case of ITB's) is better for high-rpm flow and sharp throttle response but low-rpm torque suffers. Obviously I'm generalising here, there are many factors to be considered and I'm not an expert by any means!
Anyway, the 1.5x rule (or whatever it is) is the best compromise, but not necessarily the best for your purposes.
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| | Subject | Poster | Date |
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Plenum size
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fatmr2 | Wed, 18 February 2004 07:05 |
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Re: Plenum size
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fatmr2 | Wed, 18 February 2004 07:16 |
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Re: Plenum size
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feral4mr2 | Wed, 18 February 2004 12:57 |
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Re: Plenum size
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Norbie | Wed, 18 February 2004 07:19 |
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Re: Plenum size
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fatmr2 | Wed, 18 February 2004 07:27 |
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Re: Plenum size
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ddeane | Wed, 18 February 2004 07:41 |
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Re: Plenum size
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Norbie | Wed, 18 February 2004 07:54 |
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Re: Plenum size
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ed_ma61 | Wed, 18 February 2004 08:50 |
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Re: Plenum size
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beaufort | Wed, 18 February 2004 11:18 |
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Re: Plenum size
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oldcorollas | Wed, 18 February 2004 12:11 |
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Re: Plenum size
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oldcorollas | Wed, 18 February 2004 12:12 |
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Re: Plenum size
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fatmr2 | Wed, 18 February 2004 21:29 |
