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Old 03-13-2012, 01:29 PM   #51 (permalink)
EcoModding Apprentice
Join Date: Oct 2009
Location: Portland OR
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And if you have variable valve timing on the exhaust valves the whole shooting match changes.... Its why the Honda/Acura motors benefit power wise from oversize exhaust. If I had a VVT engine I'd look figuring out if I could control that.


If it has a motor its worth playing with.......
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