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Old 08-11-2019, 07:13 PM   #1
raybee
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Default H-10 Two rib spark plugs?

What years and application were these used for?
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Old 08-11-2019, 07:32 PM   #2
Kube
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Default Re: H-10 Two rib spark plugs?

'39 - '40 Ford for certain. Perhaps others as well.
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Old 08-11-2019, 08:26 PM   #3
cokekid
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Default Re: H-10 Two rib spark plugs?

They will work in my 48 V12 Lincoln.
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Old 08-11-2019, 11:45 PM   #4
35fordtn
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Default Re: H-10 Two rib spark plugs?

I "believe" They two rib plugs were used 1938 (late) through 1946 (Early) maybe a expert will chime in and correct me if wrong.
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Old 08-12-2019, 09:37 AM   #5
Don Rogers
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Default Re: H-10 Two rib spark plugs?

The H-10 2 rib was supplied up to WWII. By the end of the war most applications used the 5-rib design. The H-10 was used on many automotive and non-automotive applications, including lawn mowers etc up till present day.
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Old 08-12-2019, 10:27 AM   #6
raybee
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Default Re: H-10 Two rib spark plugs?

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Thanks for the info. Ray
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Old 08-13-2019, 01:11 AM   #7
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Default Re: H-10 Two rib spark plugs?

These plugs are sought after for 'Dearborn' Cars on the judging field. They can get expensive and are often saved just for judging the V8's. A controversy about replaceable parts Vs as built exists. Newc
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