I see it has a short cap distributor... original to 6 volt applications. 12 volt systems use a tall cap distributor.
Which questions the 12v ballast resistor. Soooo which is it... 6v or 12?
If it's 12v then it would run really crappy with a 6v distributor cap.

Last edited by Jethro in Va; 04/25/2023 7:42 AM. Reason: Add info

~~ Jethro
1954 3100
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1951 3100 (gone) / 1956 4400 (still in the neighborhood) / 1957 6400 with dump body (retired) / 1959 3100 panel (in the woods junked) / 1978 Custom Deluxe K10 / 1993 S-10 4.3 / 2004 Chevy Crew Cab / 1945 John Deere H / 1952 John Deere B / 1966 John Deere 2510 / 1967 John Deere 1020