Author | Topic |

Location: Kita-Ku, Sapporo, Japan
Registered: January 2003
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Re: Head flow and flame propegation issues in turbocharged cars
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Wed, 27 October 2004 03:49

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yes they do usually have lower compression, but thats a lot to do with 'bullet-proofing' a production motor against poor fuel, no servicing etc..
what Bill is saying is that you follow the same design principles for ANY motor, no matter what the induction is.
a good NA combustion chamber can be a good turbo combustion chamber, but depending on boost levels, you might want to reduce the compression a bit, BUT NOT the design of the chamber.
the static compression is affected by many things.. cams will reduce dynamic compression. turbo cars, as well as having boost, run smaller duration and so dynamic compression will be higher.
BUT, higher static compression in NA motors can result in high peak cylinder pressures (ie the pressure spikes), whereas in a lower static CR boosted motor, you may have a lower peak pressure, but higher average pressure = more torque.
or something like that?
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| Subject | Poster | Date |
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Head flow and flame propegation issues in turbocharged cars
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Shraka | Wed, 27 October 2004 02:14 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Bill Sherwood | Wed, 27 October 2004 02:21 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Wed, 27 October 2004 02:30 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Wed, 27 October 2004 02:44 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Wed, 27 October 2004 02:50 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Bill Sherwood | Wed, 27 October 2004 02:56 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Wed, 27 October 2004 02:58 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Bill Sherwood | Wed, 27 October 2004 02:43 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Wed, 27 October 2004 02:57 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Bill Sherwood | Wed, 27 October 2004 03:06 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Bill Sherwood | Wed, 27 October 2004 02:49 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Wed, 27 October 2004 03:39 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Wed, 27 October 2004 03:49 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Bill Sherwood | Wed, 27 October 2004 04:00 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Wed, 27 October 2004 04:20 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Joshstix | Wed, 27 October 2004 04:28 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Wed, 27 October 2004 06:29 |
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Re: Head flow and flame propegation issues in turbocharged cars
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indigoid | Thu, 28 October 2004 11:40 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Fri, 29 October 2004 03:23 |
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Re: Head flow and flame propegation issues in turbocharged cars
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da_horse | Wed, 27 October 2004 20:34 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Norbie | Thu, 28 October 2004 01:49 |
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Re: Head flow and flame propegation issues in turbocharged cars
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da_horse | Thu, 28 October 2004 11:24 |
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Re: Head flow and flame propegation issues in turbocharged cars
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rokusan | Thu, 28 October 2004 12:04 |
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Re: Head flow and flame propegation issues in turbocharged cars
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takai | Fri, 29 October 2004 12:41 |
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Re: Head flow and flame propegation issues in turbocharged cars
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indigoid | Fri, 29 October 2004 12:44 |
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Re: Head flow and flame propegation issues in turbocharged cars
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RWDboy | Fri, 29 October 2004 14:25 |
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Re: Head flow and flame propegation issues in turbocharged cars
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M.W.P. | Fri, 29 October 2004 16:44 |
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Re: Head flow and flame propegation issues in turbocharged cars
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RWDboy | Sat, 30 October 2004 03:59 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Mon, 01 November 2004 03:15 |
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Re: Head flow and flame propegation issues in turbocharged cars
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RWDboy | Mon, 01 November 2004 03:54 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Joshstix | Mon, 01 November 2004 06:04 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Mon, 01 November 2004 06:15 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Mon, 01 November 2004 06:18 |
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Re: Head flow and flame propegation issues in turbocharged cars
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justcallmefrank | Mon, 01 November 2004 06:19 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Joshstix | Mon, 01 November 2004 06:21 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Mon, 01 November 2004 06:48 |
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Re: Head flow and flame propegation issues in turbocharged cars
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justcallmefrank | Mon, 01 November 2004 07:34 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Mr DOHC | Mon, 01 November 2004 08:28 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Mon, 01 November 2004 09:26 |
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Re: Head flow and flame propegation issues in turbocharged cars
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oldcorollas | Mon, 01 November 2004 09:04 |
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Re: Head flow and flame propegation issues in turbocharged cars
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justcallmefrank | Mon, 01 November 2004 09:07 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Mon, 01 November 2004 09:27 |
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Re: Head flow and flame propegation issues in turbocharged cars
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justcallmefrank | Mon, 01 November 2004 09:32 |
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Re: Head flow and flame propegation issues in turbocharged cars
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RWDboy | Mon, 01 November 2004 13:08 |
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Re: Head flow and flame propegation issues in turbocharged cars
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Shraka | Mon, 01 November 2004 13:13 |
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Re: Head flow and flame propegation issues in turbocharged cars
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earlyrolla | Mon, 01 November 2004 14:38 |