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Back pressure ????
Alright so I'm FINALLY buying my headers today but before I get my x pipe I had a question. I have pypes muffler deletes on my car right now which are basically straight pipes. If I run a x pipe with no cats will I have enough back pressure???
In January I'm adding a vortech supercharger by the way.. Any help will be appreciated |
Why would you need backpressure? The objective for a four-stroke engine is to have, if anything, a vacuum in the exhaust. What you should worry about is gas velocity in the exhaust. As long as you aren't running excessively large diameter pipes, you're fine. 1-3/4 primaries for the headers and 2.5" (maybe 3"?) for the exhaust piping is the largest you should go. If your exhaust matches this, you're fine.
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Cool cool... Someone was sticking the little 2 cents they had in a conversation I was having and stated that with all the straight pipes I wouldn't have enough back pressure and might float a valve or something
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Originally Posted by j_gutta870
(Post 457426)
Cool cool... Someone was sticking the little 2 cents they had in a conversation I was having and stated that with all the straight pipes I wouldn't have enough back pressure and might float a valve or something
Read this. http://www.uucmotorwerks.com/html_pr...torquemyth.htm |
Originally Posted by 08mustang_gt
(Post 457429)
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Originally Posted by j_gutta870
(Post 457471)
Bad ass.... Appreciate that man
People just like to think they're geniuses. :D |
having less exhaust pressure will never make a valve float. That is old old school myths.
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