i will believe that there might be a minisque diff in some plugs
as in heat range tips lenghts , ets but to come make bold statements
that this plug will make more hp than the same equivalent plug from diffrent plug manufacture , is totally without merit ,
now if youre testing a totaly diffrent plug vs a racing style plug
with diffrent heat range , then i will believe some of youre statement!
other than that, show me dyno results with no other changes than
that of a plug change, using the same indexing , timing, etc
just a plug change thats all ,, lets see the results!!