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Which spark plugs for C-123 engine?

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djhammerd

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I have a 51 or 52 Super A with a C-123 engine (replacement for C-113). The tractor does not get heavy use, and may sit for significant time between startups. I have read that it may be better to use "hotter" spark plugs than the factory recommended spark plugs.

What spark plugs (brand and number) should I consider putting in this tractor?

Thanks in advance...
 
(quoted from post at 07:15:30 02/21/14) I have a 51 or 52 Super A with a C-123 engine (replacement for C-113). The tractor does not get heavy use, and may sit for significant time between startups. I have read that it may be better to use "hotter" spark plugs than the factory recommended spark plugs.

What spark plugs (brand and number) should I consider putting in this tractor?

Thanks in advance...
Click to expand...

Autolite 386, or the hotter 388, OR if you still have the magneto ignition, use the non-resistor Autolite 3116.
 
i believe that champion plugs do not rust as quick as some of the others.

i would use a hotter spark plug than what is recommended
 
I think my Super C has Champion D21 in it, don't have any problem with them, haven't had them out in 6 or 8 years.
 
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