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Old 31-08-11, 01:37
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Keith Webb Keith Webb is offline
Film maker, CMP addict
 
Join Date: Feb 2003
Location: HIGHTON VIC
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Default Resistor

Quote:
Originally Posted by Lynn Eades View Post
As nobody else has answered, Yes you need the external resistor with the Ford coil. The Ford coil is in fact a 4.5 volt coil in a 6 volt system, hence the need for the resistor. It might last a while on six volt, but will probably fail.
Tony Smith posted here some time back saying something to the effect that; The Ford coil is unreliable, even NOS ones are the same due to deterioration internally. You are better off with a modern replacement. (this is my recall)
You are absolutely correct, the original Ford coils in my experience are unreliable due to age deterioration. I must admit though, the brown bakelite design is very neat.
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