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Old November 22nd, 2016, 01:22 PM
turbobill turbobill is offline
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Join Date: Feb 2013
Location: northern NY when not flying
Truck: 1968 HM80 with a 478M and a few engines plus a Toro-Flow
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Default Re: Spark Plug Query

Maybe a head has been swapped from a different engine that used a different style plug.
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