From the discussions last week, it was pointed out that I needed to check
the resistance of the coil I bought at Pep Boys to see if this was the
right coil for my 67 MGB or not. For reference it is a Borg Warner E40P.
I dug the digital multi-meter out of the trunk of the Corvair and tested
this coil. From the + to the - side of the coil the multi-meter read 3.8
ohms. From either the + or - side to the output of the coil the
multi-meter read 6.7 ohms. Does that mean:
Primary resistance = 3.8
Secondary resistance = 6.7
From looking around on the web, it looks like I have a 12V coil, but the
Primary Resistance seems high when compared to the coils on Paul's page,
http://www.mgb-stuff.org.uk/ignition.htm and in Rick Astley's article on
the The MG Cars Enthusiast's site,
http://www.mgcars.org.uk/electrical/body_coil.html
If I got the primary/secondary thing right, the dented Lucas coil that is
in the car (it also has the screw on cap top which I want to change to plug
in) reads
Primary resistance = 3.0
Secondary resistance = 9.6
Can that secondary resistance be right?
Do I need to take the Borg Warner E40P coil back to the store? If so,
since the parts counter guys don't know what they are giving me, anyone
have a car I can ask for a coil from so I will get the right thing?
Thanks for the help
Patton
------------------------------------
Patton Dickson - Richmond, TX
1965 Corvair Monza 110/4sp 'vert
1967 MGB MK I Roadster
http://carport.virtualave.net/
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