By running on 3 cylinders and advancing the timing it increases peak pressure and makes for a more complete burn. It eliminates a lot of the white...
Which model engine is it? Bk, pk, tk, mk, gk, hk...?
Which model is it?
I've never done it but the local Western Star dealer specs out new trucks all the time with 20+ front ends and when they show up they take springs...
As QUALITYTRUCK mentioned, I was thinking the half engine mode might be turned on. It can be set to come on without the parking brake but that's...
Does it stop doing it when you release the parking brake?
If you have low boost, you have a problem. If you have a problem, you don't start making changes to the ECM.
Did you put something right up close to the face of the tires when you spun them? It doesn't take much to feel a bounce
6...If I recall correctly
The first oil change is done to get whatever contaminates that got in there during the inframe out. A few hundred miles is all it needs at most....
What injectors do you have now? I see people buy those all the time and actually end up with less power.
Not that I'm aware of
The best place to start is with a 14L HK DDEC 4. If that's not possible (because they're extremely rare), and you want to build huge power, the...
It costs $1500 because that shop can do it and you can't.
Want my serial number to get HK data plates from Nov '99 lol
Why are you getting rid of the HK?
I used to change the paper filters every 3-4 months. I have Fleet Air filters now and I only wash them 2 or 3 times a year and even right before I...
It's the emissions that kill the fuel mileage, not the larger displacement. The 11.1s got great fuel mileage because they were primarily used for...
Why don't you take a crack at explaining why less displacement would get better fuel economy. As far as injectors for absolute best mileage, you...
To do what you're talking about doing, you have to change pretty much all the internals including the crank. Then you'll have to change the head...
