2006 5.9L Manual truck is a dog
Hello. I'm new here and don't know a thing about tuning. Now that's out of the way I'd like to describe my trucks behavior and see if anyone has input.
Stock Truck
My truck is a 2006 5.9L Manual. With the stock tune it is a total dog. For example when taking off in second gear it's as if the truck doesn't want to rev past say 2200rpm. Shifting to 3rd isn't much better. Finally when in 4th the truck will rev to redline then go to 5th ok. Now I'm not saying 2nd and 3rd won't go to redline but it's like you have to floor the truck then when once at high rpm it's the shift quality is very poor when going to the next higher gear. It's as if the truck has two fueling strategies. Defueling with any throttle less that say 75%, then wam it goes. Ok, so all this probably sounds like typical stuff for a HD clutch? And I should just get used to it?
Tuned Truck
So when EFI Live came out I bought it because I was hoping that with tuning this behavior would be improved. I'm running a 100hp tune from ATP and now I have power on the top end but still this weird lagging behavior at low rpm in 2nd and 3rd. Things I've noticed.
- fuel pressure never seems to break 20k. Although it could be and I'm just missing it while trying to keep my eyes on the road
- boost gets in the 35 psi range, seems ok
Ideas:
Should I do a datalog? Would commanded vs actual fuel mm3 show me something?
I also found this TSB which describes some kind of power reduction in the factory software to save the clutch. http://dodgeram.info/tsb/2006/18-005-06b.htm
Could this be a 06 OS issue? Should I go to 07?
thanks for the input.
