Question For Julio Aka Razor Edge

[marred4life]

Im Running Ac Delco R44 Gaped At .35 On Pump Gas (91) And Will Purchase Your Kit Soon, What Kind Of Spark Plug Should I Run, I Have Every Bolt On Mod You Can Think About With A Stock Engine

 

[Razor]

Im Running Ac Delco R44 Gaped At .35 On Pump Gas (91) And Will Purchase Your Kit Soon, What Kind Of Spark Plug Should I Run, I Have Every Bolt On Mod You Can Think About With A Stock Engine

If its a street car, then stock heat range. On race cars then start running colder plugs. Running a colder plug on the street will create issues.. especially in stop and go driving.

Gap them down till Ignition issues go away. I typically gap mine to .032.

HTH