hi im new to the forum. i hope to get to lnow everyboddy i just bought a 196 3500 4x4. with a 5 speed 4.11 geers it has had a bigger turbow waist gait removed different injectors the pump has bene messed with. the truck runs great , plenty of power whin you lay in to it it pours out the black smoke and only gets 13mpg shoud this truck do better then that? what can i do to inprove the millage? and is the black smoke ok ehin your easy on it it dosent smoke.. thank you

 

There others ways you will hear about here but the biggest one I know of from your discription is your gear ratio , 3.55s would be the other option for stock the 4.10s for pulling these trucks do not seem to need it except at the extream end.

You should register- its free - donations-then fill out the signiture with truck details then it will be easyer for everybody to help.

 

i put a set of 285 on my dually to gear it up a bit, i used a 2 inch spacer for the rear. and if that truck doesn't have any gauges, get some. and bet you coudl pick up a bit with the timing bumped up in the 16 to 17 range. and make sure your filters are clean.

 

thanks john and gunracer i dont realy want to spend the money on the geers i thought about taller tires i dont know how monch it would help. rhe truck has stock gauges. what gauges do i nead ? ill check the timming.. thanks

 

i was looking at air filter systems will the help me with mpg theres a lot of different types wich one is the best

 

i like the bhaf, just do a search. and to set the timing you need the right tools and someone familiar with it. you need a pyro and a boost gauge. mike

 

Maybe back of the plate a little, detune the starwheel (less preboost fuel), get it to breath a little better and bump the timing up. While all that power and smoke is fun, you can back er off a tad, get some better mileage, and still have a very respectable truck.

Probably the most important factor is the foot. Good luck, Kevin

 

Exactly, that black smoke you see coming out the back is nothing more than unburnt fuel and lower mpgs...