> I sent an e-mail inquiry to NAPA asking about plugs for a 62 Buick 4bbl. This
> is the reply I received from them:
>
> I followed the above noted instructions and found that a NAPA part #CHA14 is a
> CHAMPION RJ12YC Plug.
>
> Regards,
> Jim B.
That is interesting. Champion spark plug numbers are a maze these days
but if I read it right your Napa guide indicates a plug with half the
reach of all recommended the Rover/LR plugs! (.375 inch vs .750
inch!!).
Lorne
Lorne
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