Fanfan26 Joined Mar 14, 2012 Messages 253 Feb 11, 2018 #1 Hello, How many millimeters before the BTDC is it necessary adjust the auto-advance ? 7 ? 8 ? Thanks
L.A.B. Moderator VIP MEMBER Joined Nov 20, 2004 Messages 20,423 Feb 11, 2018 #2 https://www.accessnorton.com/Norton...-and-advance-degrees.22775/page-2#post-338422
Fanfan26 Joined Mar 14, 2012 Messages 253 Feb 11, 2018 #3 With contacts breather points it is 6.678 mm then. Thanks you very much L.A.B 31°= 0.320" (8.127mm) BTDC (Before Top Dead Center), 30°= .300" (7.63mm) BTDC, 29°= .281" (7.147mm) BTDC, 28°= .263" (6.678mm) BTDC, 27°= .245" (6.224mm) BTDC, 26°= .228" (5.784mm) BTDC, 25°= .211" (5.359mm) BTDC, 24°= .195" (4.949mm) BTDC, 23°= .179" (4.554mm) BTDC, 22°= .164" (4.174mm) BTDC, 21°= .150" (3.81mm) BTDC, 20°= .136" (3.462mm) BTDC.
With contacts breather points it is 6.678 mm then. Thanks you very much L.A.B 31°= 0.320" (8.127mm) BTDC (Before Top Dead Center), 30°= .300" (7.63mm) BTDC, 29°= .281" (7.147mm) BTDC, 28°= .263" (6.678mm) BTDC, 27°= .245" (6.224mm) BTDC, 26°= .228" (5.784mm) BTDC, 25°= .211" (5.359mm) BTDC, 24°= .195" (4.949mm) BTDC, 23°= .179" (4.554mm) BTDC, 22°= .164" (4.174mm) BTDC, 21°= .150" (3.81mm) BTDC, 20°= .136" (3.462mm) BTDC.