I'm in that same boat with you. That 3.0 does love to drink gas. I'm assuming you have a manual tranny doing the EOC down hills, I have that God-forsaken automatic in mine. I have seen some improvement with a grill block, though I was hesitant to leave it that way during the summer. Lose the mud flaps if you haven't already done so. I just got some new ideas on here today that I intend to use. Good luck.
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