CHAMPION V PLUG INFO PLEASE

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CHAMPION V PLUG INFO PLEASE

Postby boz » Tue Aug 16, 2011 3:52 pm

Can anyone tell me what the thread is on a Champion V spark plug ? I have a model stationary engine which was running on an old Champion V so I replaced it with an NGK CM-6 with an M10 thread thinking it would fit but it only goes in half a turn. Thanks.
boz
 
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CHAMPION V PLUG INFO PLEASE

Postby Ken McClenahan » Thu Aug 18, 2011 7:26 pm

The large glow plug thread size in the US is 3/8" x 24. I assume the spark plug size is the same because the large glow plugs were for coversions to glow.
Ken McClenahan
 
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Postby boz » Sun Aug 21, 2011 4:45 pm

Thanks, I think I need 3/8 UNF.
boz
 
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