<VV> Spark plug question for 100 or 140?

[Charles Lee]

Is the AC Delco R44F usable in a 110 or 140?

the local NAPA store can get these but I was told I'd need 44FF plugs in a
110 or 140, and that 46F plugs are "too hot" for a 110 or a 140?

 

I have 12 new 46F plugs that came with my 110 PG coupe but have no 95 HP
cars.  Should I sell them, or trade for 44FFs?

 

Thanks!! 

 

Charles Lee

 

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