rthomas
Registered User
Last week I did a short trip (350 mi) that I've done many times before, the truck seems to run good, it has about 500 mi. on a oil change and a new 6637 a/f. I averaged 16.8, in the past I've done as well as 18.4 on the same trip, I always take this trip during non traffic hours and for the most part at the same speed of 64 mph/2000rpm on cruise.