Subject: Re: Spark Plugs
To: british-cars@hoosier.utah.edu (British Cars Mailing List)
Date: Tue, 1 Oct 91 12:42:46 PDT
Reply-To: rodb@ee.ubc.ca
From: rodb@ee.ubc.ca
>Let me make a guess:
> - A "R" at the front means resistor
> - The number, like "10", is the heat range
> - The "C" used in new Champion numbers just means copper.
>So is an 11 a hotter plug? What does the "N" and "Y" stand for? What
>other types of plugs are people using in there healeys (NGK, Bosch, etc)?
>How do other numbering systems compare?
Don't know about these brands because I've always managed to get the correct
replacement when buying them but I do know that for Autolites the lower
the number the hotter the plug.
Roland
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