03' Quad Cab 4x4 4.7L stock except K&N cold air intake system, getting 15.5mpg

 

2006 Sport 4x4 Short Box, 3.92, Hemi MDS, 20 inch tires, getting 16.3 city and 19.5 hwy. Best Higway mileage to date 21.0. Do you think adding Lucas Fuel Treatment is any benefit?

 

I am using Mobil 1 synethic 5W20 and the MPG is the same as regular oil, but hey I am very happy with this truck, rides like a dream, FAST, and gets good MPG too

 

I just got my fuel system flushed and my mpgs are way better...13.4 in the city..and in tow alot of the time for fun....18.9 highway with minium flooring....why better then the 11.3 i got pretty much all the time before..

 

no mods yet 03 qc hemi 5.7l getting 12.9 city 17 freeway

 

I am now getting 14mpg driving good, and accelerating slow... Yesterday I hit the highest speed yet(may not be smart, but me and my friend did) at 102mph. Did that once, and drove fast for the rest of the day at 85-90 and got 11mpg.... Which is alright I guess at least... still even when I do drive slow I am nowhere near the 21mpg sticker... Hoping to get lower gears though soon maybe that will help some.

 

13 city 15.5 highway at 65mph 89 octane

 

2005 Dodge RAM 1500 SLT 5.7L 4x4 QuadCab

I recently did a ~2000km road trip, to help my grandmother move. Towing a trailer weighing approximately 3500-4000lbs, and the bed of the truck completely full, maybe another ~500lbs...

I averaged 13MPG @ 80MPH.


So you guys getting 13MPG empty box + not towing, I don't know what is up with that.

43,000km on the odometer as of today.

 

Has anybody else heard of synthetic oil increasing gas mileage ?? There are some that say 1 to 2 miles per gallon more.... If you have tried this and it's true, or not, let me know. I'm due for an oil change soon !!



'01 5.9 magnum 4x4 slt aka Maggie the Slt......

 

I HAVE A 2002 DODGE RAM WITH THE 5.9 GAS HOG. I HAVE ADDED A FLOWMASTER 40 SERIES EXHAUST WITH THE MUFFLER DUMPED BEFORE THE REAR AXLE I HAVE A PAXTON NOVI 6-8 PSI SUPERCHARGER PROCOMP 4.5 IN LIFT WITH 35X12.50X18'S AND 3.92'S. IN THE CITY I GET 12.1 HIGHWAY I GET 18.7 AND TOWING A 28 FOOT BAJA BOAT ON A THREE HOUR DRIVE TO THE LAKE I GET 14.4 MPG.