E3 spark plugs?????????
CF Veteran
Joined: Nov 2009
Posts: 1,262
Likes: 0
From: Conroe, Texas
Year: 1997
Model: Cherokee
Engine: I6
I am running them in my jeep and i checked my mileage and drove my jeep very easy like normal and got 2mpg better. felt like it did give it a little more power and easier starting. Nothing incredible though.
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