Looking for part #’s for a “stock” and a plug 1 heat range “colder” for a good non protruding tipped plug.. or a non protruding plug equivalent in heat range to an autolite 3924
Anyone have a link to a good NGK heat range chart that contains the 5820 if I’m correct that the 5820 is “stock” heat range??
If not, anyone know which number is? Also which number would be 1 heat range colder?
I’ve been running Autolites 3924 but am going to a 100-150 shot of wet nitrous TB plate again and my understanding is the NGK isn’t a protruded tip plug like the autolite, and is preferred w/no2.. I have AFR 165/58cc heads and N/A have had best results with the 3924’s over NGK’s and Mo craft....I may not even need a “colder” plug but would rather start with one to be safe... I just don’t know what stock heat range is in an NGK... charts I find are for race plugs that cross reference to 5820 etc but I don’t trust what I’m finding... lower number is “hotter” but no actual part #’... what are you guys using??
Anyone have a link to a good NGK heat range chart that contains the 5820 if I’m correct that the 5820 is “stock” heat range??
If not, anyone know which number is? Also which number would be 1 heat range colder?
I’ve been running Autolites 3924 but am going to a 100-150 shot of wet nitrous TB plate again and my understanding is the NGK isn’t a protruded tip plug like the autolite, and is preferred w/no2.. I have AFR 165/58cc heads and N/A have had best results with the 3924’s over NGK’s and Mo craft....I may not even need a “colder” plug but would rather start with one to be safe... I just don’t know what stock heat range is in an NGK... charts I find are for race plugs that cross reference to 5820 etc but I don’t trust what I’m finding... lower number is “hotter” but no actual part #’... what are you guys using??