Yeah, these engines aren't torque heavy enough for what the trucks weigh.
My dakota is lighter than a ram, and I get about 15 city, but like 20 highway.
The 4.7 motor is my next thing to tackle myself. I'm hopeing to start with an electric fan, but I really need to make sure it works because we have a lot of 90+ degree days and on some of those, i'll be towing a 27' camper. Definatly no grill blocks during that!
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