Cruise Seems Lean

Scody21 said
E3 spark plugs only belong in the round file cabinet on the side of the work bench. AkA the trash. They cause more problems than there worth. YR will tell ya to get some champions, put them in, warm her up and then go stand on the gas for 10 minutes, pull the plugs and send a pic...
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I haven't had any run issues with the E3, but I can try something else. I am most concerned with the RPM I was running for the 5 hours on the road as that would be typical cruise rpm. This is where the plugs are at currently.