B Bushc New member Joined Jan 14, 2009 Messages 14 Age 40 Location Michigan Jan 21, 2012 #1 For those who have a 141 mountain max I need to know how far your tunnel extension sticks out past the 121 tunnel. I bought a extension that was supposedly for a MM but looks to be way to short after I got it mounted. S sarge New member Joined Oct 12, 2011 Messages 25 Age 42 Location montana Jan 24, 2012 #2 extension calculation take your added track length...divided by 2 equals tunnel ext length 141-121= 20 20/2= 10 so 10" 162-144= 18 18/2= 9" and so on You must log in or register to reply here.
For those who have a 141 mountain max I need to know how far your tunnel extension sticks out past the 121 tunnel. I bought a extension that was supposedly for a MM but looks to be way to short after I got it mounted.
S sarge New member Joined Oct 12, 2011 Messages 25 Age 42 Location montana Jan 24, 2012 #2 extension calculation take your added track length...divided by 2 equals tunnel ext length 141-121= 20 20/2= 10 so 10" 162-144= 18 18/2= 9" and so on
extension calculation take your added track length...divided by 2 equals tunnel ext length 141-121= 20 20/2= 10 so 10" 162-144= 18 18/2= 9" and so on
