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SupraPete
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Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Fri, 15 October 2004 02:45 Go to previous messageGo to previous message
That gif file(s) is awesome. Now I know what MilesB has been talking about with port scavenging etc.

And how important it is to get the waves to match up.

Thing is, this is very specific isn't it. Like specific RPM (piston timing), very specific cam (when the ports open/close).


So you'd really have to define an RPM band that you want it to be in the sweet spot (intake/exhaust tuned for) then build it ALL to be at that point.



How wide would the RPM band be for the sweet spot? Are we talking 100/200 rpm and a bell curve away from it?
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SubjectPosterDate
Read Message   ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Mon, 11 October 2004 14:59
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... oldcorollasMon, 11 October 2004 15:13
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Mon, 11 October 2004 15:16
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Mon, 11 October 2004 15:23
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyMon, 11 October 2004 21:25
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... takaiMon, 11 October 2004 21:43
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyMon, 11 October 2004 22:15
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Steve_ReynoldsMon, 11 October 2004 23:10
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoMon, 11 October 2004 23:22
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Ben WilsonTue, 12 October 2004 05:25
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoWed, 13 October 2004 13:05
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... thechucksterWed, 13 October 2004 13:38
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... oldcorollasWed, 13 October 2004 13:51
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 14:45
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodWed, 13 October 2004 14:48
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 15:04
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 14:58
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodWed, 13 October 2004 15:06
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodWed, 13 October 2004 15:07
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 15:30
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 15:40
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodWed, 13 October 2004 15:40
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 15:42
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodWed, 13 October 2004 15:45
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Wed, 13 October 2004 15:50
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyWed, 13 October 2004 21:36
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Thu, 14 October 2004 01:34
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyThu, 14 October 2004 02:08
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Thu, 14 October 2004 02:26
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... moo4AGZETA22Thu, 14 October 2004 02:49
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyThu, 14 October 2004 03:09
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoThu, 14 October 2004 03:52
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Thu, 14 October 2004 04:15
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoThu, 14 October 2004 04:27
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyThu, 14 October 2004 05:06
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoThu, 14 October 2004 05:21
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... bbaacchhyyThu, 14 October 2004 05:32
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... boxh34dThu, 14 October 2004 12:21
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 00:22
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... justcallmefrankFri, 15 October 2004 00:39
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... mrshinThu, 14 October 2004 12:54
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... RWDboyThu, 14 October 2004 14:51
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodThu, 14 October 2004 15:17
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoThu, 14 October 2004 21:25
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Thu, 14 October 2004 23:42
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 00:33
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 00:46
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... justcallmefrankFri, 15 October 2004 00:50
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 00:51
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... justcallmefrankFri, 15 October 2004 00:56
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... justcallmefrankFri, 15 October 2004 01:00
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 02:35
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... SupraPeteFri, 15 October 2004 02:55
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts....  SupraPeteFri, 15 October 2004 02:45
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 02:59
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 03:01
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... SupraPeteFri, 15 October 2004 03:11
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... SupraPeteFri, 15 October 2004 03:21
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... SupraPeteFri, 15 October 2004 03:14
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... RWDboyFri, 15 October 2004 03:19
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 03:26
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... SupraPeteFri, 15 October 2004 03:28
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 03:35
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... gianttomatoFri, 15 October 2004 03:55
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodFri, 15 October 2004 04:44
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Fri, 15 October 2004 04:50
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... CelicaRA45Sat, 16 October 2004 03:38
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... mrshinSat, 16 October 2004 13:30
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodSat, 16 October 2004 13:55
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... mrshinSat, 16 October 2004 14:37
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... RWDboySun, 17 October 2004 08:29
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Sun, 17 October 2004 10:12
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... RWDboySun, 17 October 2004 11:12
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Sun, 17 October 2004 12:13
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodSun, 17 October 2004 13:19
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... ed_ma61Sun, 17 October 2004 22:55
Read Message   Re: ITBs & Port X-Sectional Areas + Lengths : Your Thoughts.... Bill SherwoodMon, 18 October 2004 02:40
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