Ok, so this is my first post here and it is also my truck we are talking about

The truck has no problem cruising now at 50 mph. My daily commute will be mostly interstate so my thinking is that if change the rearend then i could cruise at a higher speed and stay out of 5th gear around town. Anyway ordered an Ultra Gauge and it should be here tomorrow so we will have better numbers then. Earlier a reference was made to fuel enrichment? When does this happen and how can I identify it on the Gauge?
