Re: Preferred Mopar big block Spark Plug Poll

["'Paul L. http://1962to1965mopar.ornocar.org/ml-le' via The 1962 to 1965 Mopar Mail List Clubhouse" <1962to1965mopars@xxxxxxxxxxxxxxxx>]

I just switched from Champion RJ12YC to NGK 3332.  I've always had good luck with NGK's.  Champions seem to foul a lot.

I remember a tip from Don Dulmage who suggested a shortie Champion plug typically used in small engines with the same heat range and reach.  They worked good with headers as they were easier to get in and out.  Down side was you had to trim your plug boots shorter.  Sorry, can't remember the number.

Paul L.

020 at 9:44:40 AM UTC-5, MARK EVANS wrote:

My engine builder used NGK B6S spark plugs in my 413.
I am changing them out for the season

What does everybody recommend for a standard plug in a Big
Block ?

The Service manual recommends
Champion J-12Y

Interested in whatever everybody works the best

Mark Evans

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