honcho Well-Known Member Joined Dec 4, 2011 Messages 1,142 Reaction score 1,814 Location deep n the heart of texas Feb 24, 2017 #1 I am changing my plugs and would like to know what spark plug, gap, I should use. Have installed pertronix,ordered new gaskets for plugs,it's a slant 6,1964. Thanks in advance
I am changing my plugs and would like to know what spark plug, gap, I should use. Have installed pertronix,ordered new gaskets for plugs,it's a slant 6,1964. Thanks in advance
RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member Joined Jun 7, 2010 Messages 104,938 Reaction score 102,633 Location Georgia Feb 24, 2017 #2 .045 will be plenty sufficient.
slantsixdan =..= Joined Jan 7, 2007 Messages 7,479 Reaction score 3,299 Location Vancouver BC Feb 25, 2017 #3 Run 0.040" gap with that ignition. If you were to do the HEI upgrade , you could run 0.045" reliably with a good cap and rotor.
Run 0.040" gap with that ignition. If you were to do the HEI upgrade , you could run 0.045" reliably with a good cap and rotor.
honcho Well-Known Member Joined Dec 4, 2011 Messages 1,142 Reaction score 1,814 Location deep n the heart of texas Feb 26, 2017 #4 Is the ngk zfr5n a good plug to use, thanks
slantsixdan =..= Joined Jan 7, 2007 Messages 7,479 Reaction score 3,299 Location Vancouver BC Feb 26, 2017 #5 Yep, NGK ZFR5N is an excellent choice. Remove and discard the metal ring washer from each plug before installing in a '63-'74 head.
Yep, NGK ZFR5N is an excellent choice. Remove and discard the metal ring washer from each plug before installing in a '63-'74 head.