I am wondering if someone else who has one of these can tell me what kind of manifold pressure you are getting when pulling hard and your mileage. I only have 16000 on it but am only getting 32 lbs of pressure most of the time and 5.5 mpg and I'm taking it easy most of the time.
'13 cummins 550
Discussion in 'Trucks [ Eighteen Wheelers ]' started by buckeyetrucker, Apr 10, 2013.