Was just wondering if the butterflies should open all the way when full throttle?
P paul tracy Cadet Joined Aug 22, 2010 Messages 22 Aug 23, 2010 #1 Was just wondering if the butterflies should open all the way when full throttle?
M Milduff Seaman Apprentice Joined Aug 21, 2010 Messages 33 Aug 23, 2010 #2 Re: 1979 mercury (BUTTERFLIES) yes they should at WOT
