Posted by Sterling From TX [99.98.76.231] on Wednesday, February 27, 2013 at 18:57:37 :
In Reply to: Re: Freshening up a 251? posted by Sherman in Idaho [24.32.202.166] on Wednesday, February 27, 2013 at 14:27:29 :
It sits right below the carburetor an has a butterfly valve that is spring loaded. Mine can be closed but it springs right back to wide open. Strait up and down. It has some arm on the side that moves the valve. I guess this is right.
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