More power-'07 F750

[Smokey73]

My work truck is a 20,000lb '07 F750 with a 5.9 common rail ctd turning an allison 6 speed. What can i do to this thing to get a little more out of it. It's a **** starting off, and can't get out of it's own way pulling hills. I've had it since it was new and i take excellent care of it and it's always been this way. I just need a little something to keep me ahead of the pack, literally, my company runs 10 of these things around here and they're all identical.

 

[BigRigTech]

If it has a DPF then you are pretty much stuck with what you have. It may be possible to upgrade the calibration in the ECM but that would likely void your warranty....If memory serves me right I think the 07 ISB can only be had up to 300HP or possible 260HP.....PM me with your engine serial number and I can see what it was spec'd with. I have a Cummins login and password.