Re: Max Wedge Plugs, Preferences?

["62-65-mail-list-club-Gary-H" <62-65-mail-list-club@xxxxxxxxxxx>]

I think Mopar used Champion brand plugs as OE in '62-'65?

Autolite 2974 was a spark plug for use in Mopar Big Blocks mentioned here a while ago, as well as Autolite 85. 

The engine's cam profile and CR will impact the heat range of the plug to use. The plug manufacturer usually has a chart to list colder or hotter versions of the plug.

Thanks,
Gary H.

>  -------Original Message-------
>  From: 'DAVID HURD'  
>  
>  In my 1962 Dodge with 413 block bored to 426 I have always used
>  Champion J12YC 
>  David C Hurd
>  via iPhone
>  
>  > On Jul 2, 2022, at 6:24 AM, Comcast <derrickb81@xxxxxxxxxxx> wrote:
>  
>  >  Ive been using the Autolite 2976’s for a very long time. They
>  > have always worked well.
>  > Since time goes on id like to re-evaluate if I should try something
>  > else? Anything else in a “shorty” preferred.
>  >
>  > I welcome your thoughts.
>  >
>  > Best to all for a safe and happy 4th!
>  >
>  > Derrick Brown
>  > 617-513-2133 

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