i got 13mpg with superchips on fuel saver on the hilly highways around here so said f-it and been doing the performance tune ever since.my avg by computer calc's is 12.4 but hey, its a big *** truck

 

He needs a math lesson.

 

LOL! Yes in deedy!

 

thanks guys i love the 5.9l engine its got so much power. how hard is it to change the plenum gasket in this engine. i think mine is going bad. how can you tell. sorry if this is not where to post this

 

Well i dont know if it told you but that was my very best and that was all highway driving. my truck is only 2wd and i barely ever haul. i got straight exhaust and a k&n filter. that and autolite copper plugs. i can take a pic of the trip and how much gas i put in and do the math on here to prove it. not tryin to be a dick. i just got on here to get answers to my questions and talk to other dodge guys.

 

Is your truck like a 4 bannger?

 

Dude I get less than 9 mpg in mine. It's 2wd RCLB and it kills me. My paycheck goes solely towards gas for the most part.

 

Might as well ad me to this 5.9L club too

 

No its not a 4 banger i wouldnt be in this club if it was. That was my personal best. i have a regular cab 2wd short bed with 4:10 posi in the rear end. runnin at 70 on the highway i got 27 mpg and in town i still get 16-17. i have a 25 gallon tank too.

 

well tough ram, you must have gotten the golden egg.
here is a good run down for plenum replacement. https://dodgeforum.com/forum/diy-do-...e00ram360.html

use a flashlight and look down into the TB, if you see any pooling of oil in the intake manifold you need to replace.
http://www.hughesengines.com/Index/p...p?partid=22220


thats terrible, sounds like something isnt right