Quote:
Originally Posted by BUBBAS IGNITION
Guys this is a difficult discussion to follow and many of the replies are correct . However we need to stop and qualify a couple things.
What coil are we discussing ???? The early ford six volt coil or a later can type coil?
The early Ford Helment coil drives down the road at approx 3.4 volts after the resistor , this was changed when the coil went remote on the 1946 to 48 and then again in 1949 to 1953. Each system is a stand alone issue and each primary coil circuit is a different discussion.
Then add the fact that we use aftermarket coils from many suppliers with no regard to the actual factory design and the problem gets worse. I just was trying to help a friend with a ignition issue and finally after a year or so of problems he brought the coil and distributor into the shop for me to look at. The coil was green and said John Deere on it!! Testing showed very low resistance, i asked where he got that coil and he said off my neighbors lawn tractor!!!!
Maybe we need to start another thread and qualify the type of coil being discussed and forget the convertor issue ??
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The 46 to 48 Ford coils operates at the same 3.5 to 4 volts as the 32 to 48
coils. After 48 Ford went to the round coil. G.M.