It is better off having a stand alone guage to get a accurate reading to see how hard your turbo is working rather than trying to gather information from the Boost Sensor which only will read up to 22psi of boost on the LB7 engine. I have autometer guage and am pushing 27-28psi of boost with my ...

The Allison tranny is a beast one of the best out there IMO, but once you start increasing the HP/TQ your C3 and C4 clutches start slip and will go into limp mode, once you have limped the trans you should just go out and get a kit to handle the added HP/TQ. Good rule of thumb is not to go over ...

Dschev1

I will go by what you posted above and see what I come up with. Thanks for the info hope it helps!

I had the same issue with mine my ABS light comes on after 4-5 miles of driving. I have the U7193 with the latest update. Changed my tire size and now the light comes on. I am running 37/13.5 MT on a GMC 2500HD 6.0L.

From what everyone has posted they have gone in and changed the tire settings till ...