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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
i get 13 in town and 18 on highway and i drive it like i stole it. the programmer bumped it about 3mpg in town after the 2nd tank of gas. but taking that fan off is a great idea that i never thought of.
IMO the ONLY mod that has a shot of paying for itself in a realistic amount of time from strictly an MPG standpoint is an e-fan.
Really the only other thing you can do for better gas mileage that is cost effective would be to keep it tuned up and keep up with the EGR, PCV, etc...
I have a tonneau cover, K&N intake and filter, I always run synthetic and run my tires rock hard. The e-fan, how was the relay wired? Into a thermostatic switch or something?