Does a Tune Actually Improve Fuel Economy?
What MPG gains are realistic, where they come from, and the claims you should be skeptical of when a shop promises the moon.
Read guide →No hype, no scare tactics — just practical answers from a shop that's been calibrating heavy-duty diesel ECMs since 2008. Start here before you order a tune.
What MPG gains are realistic, where they come from, and the claims you should be skeptical of when a shop promises the moon.
Read guide →The full walk-through of an online tuning session — what connects to what, what we can see, and why your truck never leaves the yard.
Read guide →Why the adapter matters, what the Nexiq USB Link does, and how to avoid buying a tool that won't talk to your engine.
Read guide →