Thread: Runner Length
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Old 12-07-2009, 10:25 AM
vector1 vector1 is offline
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Join Date: Dec 2004
Location: Kansas City, KS
Cobra Make, Engine: jbl
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post your engine specs or send them via pm and what are the dia. of the webers in inches and i'll put them in and tell you what the different lengths will do, or try. i can specify different lengths anyway and see what it does to the curves, it uses fuel injection though for delivery.

length would be from the valve face to atmosphere across the top of the stacks. if you put a breather on top i believe i can find what the area of it should be, which would be the plenum size, if you leave it open, atmosphere is the plenum.
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