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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: port & polish
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Fri, 05 March 2004 17:20
 
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| crazy_camry wrote on Thu, 19 February 2004 20:40 |
what is the talk that the exhaust ports and runners are shiny smooth to prevent carbon buildup, and the intake rogh to help atomise fuel, is this B.S, or is this the way to do it?
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intake side.
roughness (smooth sandcast finish) promotes a stationary boundary layer of air,, this decreases the effective port side, but kinda reduces friction, since the stationary air has less friction on air than the port walls (like on thorpies swim suit, or americas cup yachts)..... and this boundary layer helps stop fuel dropping out...
exhaust, shiny=less build up and less friction? doesn't seem to matre that much, but it makes wallets lighter
Cya, Stewart
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| | Subject | Poster | Date |
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port & polish
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The Untouchable | Wed, 18 February 2004 06:49 |
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Re: port & polish
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Mr DOHC | Wed, 18 February 2004 06:58 |
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Re: port & polish
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The Untouchable | Wed, 18 February 2004 07:02 |
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Re: port & polish
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Norbie | Wed, 18 February 2004 07:05 |
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Re: port & polish
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oldcorollas | Wed, 18 February 2004 07:06 |
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Re: port & polish
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bman | Wed, 18 February 2004 07:13 |
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Re: port & polish
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BlackSupra | Wed, 18 February 2004 07:09 |
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Re: port & polish
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The Untouchable | Wed, 18 February 2004 07:16 |
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Re: port & polish
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BlackSupra | Wed, 18 February 2004 07:18 |
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Re: port & polish
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The Untouchable | Wed, 18 February 2004 07:20 |
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Re: port & polish
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The Untouchable | Wed, 18 February 2004 07:35 |
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Re: port & polish
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Norbie | Wed, 18 February 2004 07:49 |
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Re: port & polish
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CelicaRA45 | Wed, 18 February 2004 07:59 |
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Re: port & polish
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The Untouchable | Thu, 19 February 2004 07:59 |
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Re: port & polish
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CelicaRA45 | Thu, 19 February 2004 09:09 |
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Re: port & polish
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wil8115 | Fri, 05 March 2004 13:19 |
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Re: port & polish
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The Untouchable | Thu, 19 February 2004 09:16 |
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Re: port & polish
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CelicaRA45 | Thu, 19 February 2004 09:22 |
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Re: port & polish
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crazy_camry | Thu, 19 February 2004 09:40 |
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Re: port & polish
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CelicaRA45 | Thu, 19 February 2004 10:13 |
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Re: port & polish
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oldcorollas | Fri, 05 March 2004 17:20 |
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Re: port & polish
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wil8115 | Fri, 05 March 2004 21:56 |
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Re: port & polish
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FKN16V | Fri, 05 March 2004 22:06 |
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Re: port & polish
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Ben Wilson | Sat, 06 March 2004 00:39 |
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Re: port & polish
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wil8115 | Sat, 06 March 2004 02:44 |
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