06-08-2021, 09:30 PM | #1 |
Member
Join Date: Jul 2019
Location: Union City, CA
Posts: 57
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coil
QUESTION? 12 v system, external 1.5 resistor with 1.5 coil or 3.0 coil pros cons or personal preference? some say 3.0 gets hotter? true or not?
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06-09-2021, 08:00 AM | #2 |
Senior Member
Join Date: Sep 2013
Location: SoCal-Redlands
Posts: 3,020
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Re: coil
On my '39 p/u with an 8ba converted to 12 volts I'm using a 012 Bosch Blue internal resister coil. Works great with no issues. Just my experience.
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06-09-2021, 12:02 PM | #3 |
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Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: coil
The 3.0 ohms coils are easier to install, but there are advantages to a resistor + coil setup. That is why Ford used a resistor with the original 6v coils. The resistor varies the resistance as it heats up, so there is more voltage going to the coil at startup. If you really want to go whole hog, add a later model starter solenoid. This is the arrange Ford used on the later 12v vehicles. The solenoid setup bypasses the resistor for full battery voltage to the coil while the starter switch in engaged. As soon as the switch is released the coil voltage is dropped down by the resistor.
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06-10-2021, 07:31 AM | #4 |
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Join Date: Jun 2010
Location: San Antonio, Texas
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Re: coil
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