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Allis Chalmers Discussion Forum

wd45 spark plugs

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Author  [Modern View]

09-13-2020 10:23:35

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I was removing the spark plug on a wd45. The plug did not screw direct into the head./ There is a adaptor or bushing about a inch long. Is this a normal set up on these tractors?


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09-14-2020 05:31:33

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 Re: wd45 spark plugs in reply to henryv11, 09-13-2020 10:23:35  
The only time I used them on a Farmall Cub they took a way a LOT of power. While they might work I am not a fan of them. Maybe on one cylinder for a while until you can fix the main problem. Possibly advancing the timing might help as firing inside the thing must retard the ignition of the main combustion chamber.

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09-13-2020 10:47:11

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 Re: wd45 spark plugs in reply to henryv11, 09-13-2020 10:23:35  
Those are probably anti fouler devises use to keep plugs from fouling. I'd take them out and install NGK3112 plugs and see how it runs that way

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wore out

09-13-2020 10:46:35

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 Re: wd45 spark plugs in reply to henryv11, 09-13-2020 10:23:35  
It's an aftermarket gadget known as a "spark plug anti-fouler".

GOOGLE that for the why's and whatfors.

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