04-01-2023, 06:26 AM | #1 |
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Coil choice
I am trying to find a coil for my flathead.
I have a 1933 engine that was rebuilt by H&H Flatheads. It has aftermarket aluminum heads, two stromberg 97s carburetors, a slightly lopey cam (I don’t know which one) and Mallory dual point distributor 2572101. I currently have an all black generic coil with a ballast resistor between the ignition and the coil. It has been converted to 12 volt negative ground. Question; what coil would you recommend? Should I stay with the ballast resistor in line system or eliminate it and go with a coil that has a built in resistor. I am confused when I look at the specs of the coils. Resistance is all over the board. From .07 ohms to over 8 ohms. Richard |
04-01-2023, 07:18 AM | #2 |
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Re: Coil choice
See this thread on the Bosch coil
https://www.fordbarn.com/forum/showt...ight=Blue+coil |
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04-01-2023, 11:09 AM | #3 |
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Re: Coil choice
I'll second the Bosch with no external resistor.
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04-01-2023, 02:47 PM | #4 |
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Re: Coil choice
Thanks Corvette, that was a good post. I like the Bosch and I would buy one but no one has any.
I’ve read that the “Beru” coil is the replacement coil for the Bosch blue 00012. Anyone know anything about this coil? Richard |
04-01-2023, 06:32 PM | #5 |
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Re: Coil choice
I have always heard nothing but praise for the Bosch blue coils. All my cars had original Ford coils or Mallorys and they were great too. I had friends with VW baja bugs in the 1970s and they all ran those Bosch coils for off roading where they got shaken around a lot. They were supposed to the most durable coils.
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04-01-2023, 07:19 PM | #6 |
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Re: Coil choice
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04-01-2023, 07:56 PM | #7 |
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Re: Coil choice
A plain old 6v coil with a 2-ohm power resistor works just fine on 12v with points. Don't even need a bypass..Simple...
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04-01-2023, 08:10 PM | #8 |
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Re: Coil choice
I have a used Bosch blue coil I will sell you for what I paid. I bought it from someone on here or the HAMB. I never used it because I went with a Stromberg efire and Petronix flamethrower 1.5 ohm. Message me if interested.
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04-01-2023, 08:22 PM | #9 | |
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Re: Coil choice
Quote:
__________________
The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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04-01-2023, 10:21 PM | #10 |
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Re: Coil choice
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04-02-2023, 01:00 AM | #11 |
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Re: Coil choice
use the coil that mallory recommend
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04-02-2023, 07:00 AM | #12 |
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Re: Coil choice
Thanks for all the information and advice. I’ve decided to keep the inline ballast resistor and install a Mallory with 1.4 ohms resistance.
Richard |
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