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      06-08-2008, 06:56 AM   #23
Swift135
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The valve closes (non modded) when engine starts, thats what the vacuum line is for, when you block the line, no vacuum , stays open , more noise. The valve normally opens as revs rise above 3000rpm.
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      06-08-2008, 07:00 AM   #24
Kris
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Yep, I know this. So, I should take a photograph when the engine is running also? Hmm Jammin a camera in the exhaust when its running might be fun!
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