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The Complete HP Tuners E85 & Flex Fuel Tuning G...

This guide is educational. It does not replace mechanical inspection, controlled testing, verified injector data, or the tuner’s judgment. 1. Understanding E85 E85 is a gasoline-and-ethanol blend intended for flex-fuel...

Cummins HP Tuners Guide: Reading Diesel Datalogs

If you have a Ram truck with a Cummins diesel — 5.9L or 6.7L — and you want to tune it with HP Tuners, the workflow is different from a...

EcoBoost HP Tuners Log Review: What to Look For

The Ford EcoBoost family covers a range of turbocharged engines — the 2.3L in the Mustang EcoBoost, the 2.7L in the F-150 and Bronco, and the 3.5L in the F-150,...

How to Tune a Ford Coyote 5.0 with HP Tuners

If you have a Ford Coyote 5.0 — whether it's a Mustang GT, an F-150, or a swap — and you want to tune it yourself with HP Tuners, the...

Why Your LS Swap Runs Rich (And How to Fix It)

Discover why your LS swap runs rich and learn how to diagnose and fix common issues like wrong injector data, MAF calibration, and fuel pressure.

How to Tune a Cammed LS Idle

Learn how to nail your cammed LS idle tune. We cover idle airflow, spark control, and fixing stalling issues so your big cam LS idles like a dream.