Sparkplugs for pony

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vtstumpjumper

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Hey Neighbors,what would the number be for the sparkplugs on a 1934 Diesel Thirtyfive's pony, and are they the same for all ponies? Thanks much!

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Sat, Jan 29, 2011 9:57 AM

Old Magnet

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What does it measure???? Most those old ponies used a 7/8 in. dia. x 18 tpi x 5/8 in. reach spark plug (originally a Champion #1 Commercial) current replacement is a Autolite #3076 (same as Model A Ford).
If it's really early it may be possible to run into tapered pipe thread spark plugs.

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Sun, Jan 30, 2011 7:55 AM

vtstumpjumper

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Reply to Old Magnet:

What does it measure???? Most those old ponies used a 7/8 in. dia. x 18 tpi x 5/8 in. reach spark plug (originally a Champion #1 Commercial) current replacement is a Autolite #3076 (same as Model A Ford).
If it's really early it may be possible to run into tapered pipe thread spark plugs.

Thanks OM! I'm a step closer now. My pony turns but no spark so checking my mag is next.

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Sun, Jan 30, 2011 7:29 PM

John from Fresno

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Reply to vtstumpjumper:

Thanks OM! I'm a step closer now. My pony turns but no spark so checking my mag is next.

OM,

I thought the ponies used the Autolite 386, Champion D16, 18mm plugs. The only thing that I have that takes the 7/8" plugs are the CAT 15's and 10's main engine.

Did they have pony heads that took the larger plugs?

Thanks,

John

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Sun, Jan 30, 2011 9:27 PM

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