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oldcorollas
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
 
Re: General Q's....... Thu, 10 March 2005 08:14 Go to previous message
Kyosho wrote on Wed, 02 March 2005 18:21

The 4-2-1 headers will NOT help your situation at 4000RPM...
4-1 headers will help up there... But with 4-1, you will loose torque down low


my 4-2-1 extractors kick in at the designed 5500rpm. i think 4-1's are better used for 6-7000 and beyond.

edit: 4000rpm is pretty low really.. even old V8's do that... my highway rpm is usually between 4300 and 4600rpm (and yes it is a smaller motor Razz but of much earlier vintage)

[Updated on: Thu, 10 March 2005 08:16]

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SubjectPosterDate
Read Message   General Q's....... 79RonaMon, 28 February 2005 13:42
Read Message   Re: General Q's....... 79RonaTue, 01 March 2005 03:39
Read Message   Re: General Q's....... CrUZsidaTue, 01 March 2005 04:40
Read Message   Re: General Q's....... 79RonaTue, 01 March 2005 04:42
Read Message   Re: General Q's....... CrUZsidaTue, 01 March 2005 04:43
Read Message   Re: General Q's....... 79RonaTue, 01 March 2005 04:51
Read Message   Re: General Q's....... CrUZsidaTue, 01 March 2005 04:56
Read Message   Re: General Q's....... 79RonaTue, 01 March 2005 23:43
Read Message   Re: General Q's....... ra23celicaWed, 02 March 2005 06:56
Read Message   Re: General Q's....... Sam_QWed, 02 March 2005 06:01
Read Message   Re: General Q's....... KyoshoWed, 02 March 2005 07:21
Read Message   Re: General Q's.......  oldcorollasThu, 10 March 2005 08:14
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