I have a 1995 Ram 1500 5.2L w/ 5-speed, I used to see anywhere from 18-20 mpg on the highway (I live in West Texas and the wind can effect a lot). I recently put some 265/75 Nittos and the best mpg I have seen since then is between 16-17. City driving is 12-14. The only modification is a K&N Filter. It has a camper shell too, which should help out aerodynamics.

 

Do you factor the larger circumference of the 33's in your MPG calculations? You're rolling farther with each revolution.

 

i run with the o/d off cause inPA its all up and down. I get around 12mpg, plus im heavy on the foot @ takeoff. I put straight pipes from the cat back and got a little more mpgs, with the added extra noise.

 

1999 1500 5.2 was getting 13 installed duals and cold air intake now getting avg 15 with 5sp.

 

filled up today 15.9 mpg

 

MSD ignition parts, the rest stock..................14.5 mi/gl

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1999 5.9 4x475000 mi

 

I finally completed my mini overhaul. Fixed the intake plenum, changed out timing chain, water pump, new O rings on injectors, new cap, rotor, plugs and my current city milage is at 13.5 to 15mpg. Have only had it on the highway once since completing but was pulling a 16' trailer with 2 4 wheelers on it and a bed full of camping gear. Averaged around 12mpg. Either way, since the repairs the truck runs great and the milage is up about 2-3mpg from before. Jeff.

 

99 1500 5.2L with catback Flowmaster dual exhaust...just checked this morning - 9.02 city!!!!! Somethings gotta change!

 

I have a 27 gallon tank and I can usually get about 500 miles on tank so I guess thats about 18 or somiles per gallon.I have acamper shell on it.

 

I have a 98 Ram 1500 4X4 ( see sig). Best MPG 13.5. I would get more with a Flex-A-Lite electric fan, JBA headers and exhaust, TB and intake.

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