Re: Info on spark pluge

Posted by JWL On 2014/6/24 21:58:21

AC-R45s are going to be a step cooler than the specified AC-46. The "R" indicates it is a resistor plug. The "45" is the reach and heat range. They may work, but are a colder plug than specified. The resistor feature should not affect performance unless you have resistor wires and/or a resistor rotor. If so, go to a non-resistor rotor and wires when using the resistor spark plugs.

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