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Dirt Bike Mods & Maintenance
Eric: port time-area formula?
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[QUOTE="jaguar, post: 1408038, member: 19340"] Actually Eric gives specs for enduro type powerbands also, and I found some literature of his that says he does use the time-area calculations. I wonder why Eric or Rich didn't respond to this post. Anyway I did port using this "new" (to me) info and it helped a little but I just tried a "trick" for piston port engines of putting an extender between the carb and the engine to boost the middle of the rpm band of power and it worked really good (gave a 15% boost). Next I will try my homemade reed valve once I get the carbon fiber sheets in to make the reeds. Where are you located Helios? I am in Ecuador. [/QUOTE]
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Eric: port time-area formula?
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