What is the current when it cranks normally? Just one figure doesn't mean
much, although 500 when struggling sounds a lot, and implies that the
electrical connections are OK and it is something mechanical that is adding
load to the starter. You could get an idea if this is the case by comparing
the effort of turning the engine by hand in both situations. Another check
is to compare the voltage at the battery posts (not the connectors) with at
the starter under both situations. However if you are saying that simply
removing the wire from the coil allows it to crank normally, then it sounds
like over-advanced timing, although I note retarding to zero advance makes
Do the additional current and voltage readings and get back.
----- Original Message -----
>I have an problem with my starter on my 1980 MGB. When the engine gets
> my starter struggles to turn it over but always starts.
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