I have a 96 dodge dually and for being "stock" it sure throws out some smoke, and im just wondering if anyone would have an idea on how to turn the injector pump up or down because im getting crap for fuel mileage (around 5-8mpg)

 

thats pretty bad. it could be boost related. check your intercooler hoses. even when my truck was around 400hp i would still get over 20mpg on the hwy. an easy way to tell if someone has been into your pump is look at the top of the afc housing. it is on the back of the p1700 injection pump. it shoud be under the back fuel lines coming off the pump. If the one of the screws does not have a "head"(any way to take it out) it has not been modified yet.

 

If it's throwing smoke with stock power, then it sounds like you have a boost leak.

The break-away head screw was done from the factory. And if the paint on it doesn't look like it was disturbed or broken, then it should be stock.

 

yeah thanks for the information, I'm just starting to learn my way around the cummins, im a new diesel truck man, another question how much should i roughly get for mileage with my truck, yeah i know its old and varies, but an estimate would be nice

 

at least 14 m.p.g. even with a lead foot. maybe the timing has slipped

 

thanks ill post something when i get everything figured out and fixed and let you guys know, and like i said thanks for the help

-Adam

 

A good resource for you...

http://www.dodgeram.org

Look in the diesel section and you will find more good reading.

 

Thanks lil dog website helped, i check all the intercooler hoses and they seem fine from what i can see, any ways i noticed the break-away head screw is missing some paint, and that means it has been messed with correct, how would i set it back or whatever............Another question, can stock 12v dually burn tires off with loaded car trailer.......?