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I remember recently a brief mention of a Model T coil tester, and I thought someone was wanting to buy one.
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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.09-09-2017, 06:11 PM -
Any pictures of where to mount the modern coil when using the coil conversion kit?...02-06-2019, 08:44 AM -
this is kind of a update to a topic i started about timing.During debate we discussed why i had fouled plugs and poor performance. end result was ignition coil. not new but in service less than 6 months. Echlin brand sold through NAPA. i dont have a coil tester but simple Ohms test when cold and when heated with heat gun showed resistance readings that were not consistent. Changed to new coil and...05-21-2019, 11:11 AM -
Can somebody tell me how to check if a coil is good, bad or going ineffective. It's on a 1939 Ford Pickup with the 95HP 239.06-15-2020, 10:29 PM -
My coil is not marked "+"/"-" but "Batt" and "Dist". How do those markings align with +/-?11-01-2018, 06:27 PM -
What do ignition coil testers measure ? I’ve seen some very old ones with a ‘good-bad’ meter on them that also allow the high tension wire to plug into the tester. I’m guessing that these testers measure the high voltage generated ??
I’m considering building a simple test device and thinking that I would simply measure the length of the spark produced.
thanks - Jim02-04-2021, 08:03 AM -
Helped a mate with an electronic Efire crab dizzy today.
Would not go, after a couple of hours we found 2 things wrong.
Firstly the magnet drum had to be pushed right home to work and we could not get a 3 ohm coil to run.
Got it running on a 1.2 ohm coil.
Whether the 3 ohm one is dead or electronics don't like 3 ohms.
12 volt...12-23-2018, 11:50 PM -
COIL TESTER
Coil Tester
By Tom Wesenberg
Here is a coil and condenser tester I made for about $9. The 6 volt relay is 35 ohms and the capacitor connected to the relay windings is 330 microfarads. This combination makes the relay vibrate at a rate to give the coil the same frequency as a Model A running at 1,000 RPM. The higher the capacitance, the slower the relay...08-06-2018, 06:21 AM -
I have what I think is an original slant pole coil in my box-o-stuff. How can I determine if it is a good working one or not?11-28-2017, 08:09 PM -
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...05-12-2018, 05:18 AM
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