[Mgs] 80 B Timing question

Eugene Balinski eugeneb at nni.com
Sat Sep 19 21:04:16 MDT 2009


All,

   Can someone tell me how the distributor in an 80 B with
OD works with regard to timing ?  The reason that I ask is
that the other day when I was checking the timing with a
timing light, I noticed that the timing mark moves as a
function of engine speed.  The faster the engine speed, the
more advanced the spark. The slower the less advanced. The
vacuum advance was disconnected at the time.  This is
different from other engines that I have timed where the
timing mark is relatively constant with engine speed.   Is
the MG distributor normal, or is there something amiss ?

Also the MG has the OD advance switch.  Is there any way to
check it for proper operation ? 

Thanks in advance for the help.

Safety Fast,

   Gene 

80 B 
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