Spark Plug for 641

ligg757

Member
Do any of you 641 Workmaster owners have a recommendation for spark plug brands for my 641, I just pulled one of the plugs an it is the Autolite 216.
 
My self I use the NGK3112 plugs in my Fords and some A/C tractors. Many say the auto lite 437 but since they are not made in the U.S. any more they have gone down hill
 
Same with me, have used autolite plugs with good results for years,

I did understand they have moved production off shore,
Do not know what plug I will go with
 
That is why I switched to the NGK plugs they seem to hold up better then any other plug I have found in just about every thing I have. Cars Trucks Motorcycles and tractors
 
If I where you I would try the NGK3112s the reason I switched to them is because they seem to foul out a whole lot less then the auto lites did
 

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