Very interesting read..
In regards to choosing your size exhaust with a turbo application.
http://www.tercelreference.com/terce...st_theory.html |
Good ole JKav
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Actually awesome read!
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Interesting.
I think I’m going to build 3.5” downpipe after all |
Originally Posted by muoto
(Post 841824)
Interesting.
I think I’m going to build 3.5” downpipe after all |
Originally Posted by Braineack
(Post 841830)
You read the paragraph about velocities and scavenging effect right?
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Originally Posted by muoto
(Post 841824)
Interesting.
I think I’m going to build 3.5” downpipe after all I have also posted this article before. http://www.modified.com/tech/modp-11...ech/index.html You need to disable ad blocker to view that site. Good article. In short, in testing a 3" vs 3.5" exhaust they found 10% power gains @ 500hp. Gains would probably be less at 250hp but there would probably still be gains. |
Originally Posted by muoto
(Post 841835)
Yes I did. And that would interest me if I'm building N/A Miata
If I were doing a 3.5" DP, I'd want a 4" exhaust. |
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