Spark plug heat range?

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Jan 12, 2008 | 07:42 AM

wnogood

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Spark plug heat range?

Anyone have a link to a chart for maybe Champion spark plugs for twin cams that shows a choice of heat ranges?

thanks.....

nogood o~`o

Jan 12, 2008 | 07:55 AM

wnogood

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RE: Spark plug heat range?

Ok, so I answered my own question.....one step colder plug for TC.....Autolite #4162, or Champion # RA6HC

nogood o~`o

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