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Frank Lee · 05-16-2013, 01:55 AM

I'm trying to imagine the flows w/an intake butterfly; seems to me if a valve is open and the piston is moving, flow is gonna happen even if it is mainly just in-n-out through the exhaust valve.

05-16-2013, 01:55 AM	#37 (permalink)
Frank Lee (: Join Date: Jan 2008 Location: up north Posts: 12,762 Blue - '93 Ford Tempo Last 3: 27.29 mpg (US) F150 - '94 Ford F150 XLT 4x4 90 day: 18.5 mpg (US) Sport Coupe - '92 Ford Tempo GL Last 3: 69.62 mpg (US) ShWing! - '82 honda gold wing Interstate 90 day: 33.65 mpg (US) Moon Unit - '98 Mercury Sable LX Wagon 90 day: 21.24 mpg (US) Thanks: 1,585 Thanked 3,555 Times in 2,218 Posts	I'm trying to imagine the flows w/an intake butterfly; seems to me if a valve is open and the piston is moving, flow is gonna happen even if it is mainly just in-n-out through the exhaust valve. __________________ Last edited by Frank Lee; 05-16-2013 at 02:01 AM..