3~ Tudor's & 1~ Coupe
Henry Ford said,
"It's all nuts and bolts"
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible." Mitch's Auto Service ctr
The only way I test a coil is to drive it. Sometimes they don't act up until it's hot. Keep a spare in your shirt pocket
3~ Tudor's & 1~ Coupe
Henry Ford said,
"It's all nuts and bolts"
"Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible." Mitch's Auto Service ctr
Ok, I got it. Even if I tested it with a multimeter than is no realistic test under the stress of rapid firing under driving conditions. I will send it out to be rebuilt.
Today I changed out my coil to the flame thrower 40111. My electric tachometer is hooked up to the coil. Now my tac is showing fast for some reason. Any idea why.
I have read about the big no no about mounting a ignition coil, terminals down on Model A firewall. I have a NAPA 12V internal resistor mounted upside down for 3 years. Brother rumbles by with 72 dodge Demon , nice 340 , while looking around I noticed ignition coil bolted on its side to intake manifold , factory dodge design. the same coil that I am using exactly, He says its been there for 15 plus...
I am looking for some guidance on testing a 6 volt coil with an analog meter. I presume side post to side post will check the primary windings but what should be the setting on the analog meter and what range of numbers constitute an acceptable reading? Almost the same question with regard to checking the secondary windings. I presume side post to center is proper but which side post and what constitutes...
While timing my Model A today, I was able to hear a snapping sound near and/or in the coil when I was opening and closing the points. The points are sparking and the car is running. Any clues on the noise?
I am looking to purchase a coil other than OIL filled. I see that Summit Racing sells Per Tronix Ignition Coils which are EPOXY filled and Primary Resistance is 1.5 ohms with maximum voltage rated at 40,000 volts.
MY QUESTIONS:
How does this coil match up to the original coll in that it is filled with EPOXY and voltage rated at 40,000 volts?
What is the original coils maximum...
We picked up a (12 volt) Standard -no resistor required- UC15T oil filled coil. The oil does slosh around inside. Research suggests these cylinder types can cool better than epoxy filled when the terminals are facing up. The Model A's have the terminals facing down. Does anyone have concerns about this?
Found this little dwg. on the net for checking coils polarity other than the conventional lead pencil test and the vendors' tester. No specificity for 12 volt neg. vs 6 volt pos. systems....
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