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1913 KW Coilboxes

Posted: Sat Apr 19, 2025 1:10 pm
by Original Smith
Ford only used this coil box for one year. They used mica pieces below the common grounding strip on the bottom to insulate the ground from the mag and battery wires. These mica pieces appear to be about 1 1/8" to 1 1/4" square, and about .030 thick. Does anyone know if mica is available like that?

Re: 1913 KW Coilboxes

Posted: Sat Apr 19, 2025 1:20 pm
by Dan McEachern
McMaster-Carr carries it in various thicknesses, but it's not cheap!! Might try an electric motor shop.........

Re: 1913 KW Coilboxes

Posted: Sat Apr 19, 2025 2:48 pm
by Moxie26
Larry... Please post pictures of your coil box wiring

Re: 1913 KW Coilboxes

Posted: Sat Apr 19, 2025 9:40 pm
by TRDxB2
Original Smith wrote:
Sat Apr 19, 2025 1:10 pm
Ford only used this coil box for one year. They used mica pieces below the common grounding strip on the bottom to insulate the ground from the mag and battery wires. These mica pieces appear to be about 1 1/8" to 1 1/4" square, and about .030 thick. Does anyone know if mica is available like that?
Looks like you could make your own....
YouTube shows cutting with https://www.youtube.com/watch?v=1aGzz_G07KY
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Shears in the video - inexpensive
https://beadaholique.com/search?type=product&q=shears
shears.png
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https://www.google.com/search?q=mica+sq ... 1.33#pvs=0
mica.png