Spark plug Gap
04-25-2008, 01:16 PM
#1
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Spark plug Gap With the mods in my sig and stock CR what should I gap my ngk tr55's at? I am gonna replace the plugs soon, and I already picked up a set of ngk tr55's, but am at a loss as to what to gap them too. Any help??
05-03-2008, 08:55 PM
#5
i thought the .55 rating was for stock cars, and that the more hp you were making the more you should lower the gap? i dont know what his car is putting down but i would say def gap them at under .50
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05-04-2008, 02:04 AM
#8
What he said.