Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
The owner's manual says .038 to .043. I used to gap mine at .040 but lately dropped it down to .038 and it seems to run better there. I might even go a little tighter and see how that works.
spark plug gap
