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Old 12-16-2010, 11:01 AM   #5
Ol' Ron
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Join Date: May 2010
Location: Chester Vt
Posts: 8,842
Default Re: exhaust port dividers

I like your method of holding the divider in place. While running the stock car I had one come loose, made a hell of a racket and was a pain in the a-- to remove. The divider is un-necessary when using a mild cam. long exhaust cam timing is what causes the contamination of the intake charge. One valve is open high pressure is bled off, nowe before it closes the ex valve next to it opens under high pressure, allowing exhaust gas it enter the open valves cylinder. This is only a breaf moment and a few degrees of crank rotation. The next time you have an opertunity to see your engine with the heads off check this out.
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