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Diesel Tuning Articles & Guides

Straight answers about diesel tuning, platforms, and what actually matters for your truck.

2026-06-15

5 Signs Your Diesel Truck Needs A Retune

Rough shifting, falling MPG, or a mystery tune from a previous owner — here's when it's time to get your truck looked at.

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2026-06-28

EZ Lynk vs. HP Tuners vs. EFI Live: Which Is Right For Your Truck?

Three tuning platforms, three different strengths. Here's how to know which one fits your truck.

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2026-07-01

LML Duramax Tuning Guide

What actually matters when tuning a 2011-2016 LML — CP4 protection, tune types, and transmission calibration.

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2026-07-03

L5P Duramax Tuning FAQ

The most common questions we get about tuning the 2017-2023 L5P, answered straight.

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2026-07-05

6.7 Cummins Tuning Guide

What actually matters when tuning a 6.7L Cummins — transmission calibration, tune types, and common problems.

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2026-07-11

6.0 Power Stroke Tuning Guide

What actually matters when tuning a 6.0L Power Stroke — head gasket considerations, tune types, and honest expectations.

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2026-07-07

6.4 Power Stroke Tuning Guide

What actually matters when tuning a 6.4L Power Stroke — EGT management, tune types, and transmission calibration.

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2026-07-09

Delete Tune vs. Emissions-On Tune: What's The Difference?

What the terms actually mean, and how that choice shapes the rest of your truck's tune.

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2026-08-01

LB7 Duramax Tuning Guide

Injector wear, CP3 fueling, and honest expectations — what matters when tuning a 2001-2004 LB7.

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2026-08-08

6.7 Power Stroke Tuning Guide

Turbo setup by year, the 6R140 transmission, and tune types for the 2011+ 6.7L Power Stroke.

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2026-08-15

5.9 Cummins 24V Tuning Guide

The VP44 pump, Quadzilla tuning, and honest limits for the 1998.5-2002 24V Cummins.

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2026-08-20

LLY vs. LBZ Duramax: What Changed & Why It Matters For Tuning

How the LLY's VGT turbo and the LBZ's extra headroom change the tuning approach between generations.

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2026-08-26

How Often Should You Re-Tune Your Diesel?

There's no set mileage interval — what actually triggers a re-tune, and what doesn't.

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2026-09-01

AutoCal vs. Bench Flash: What’s The Difference?

EFI Live's AutoCal vs. a traditional bench flash — how they differ, and when each makes sense.

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2026-09-05

What To Send Your Tuner: A Guide To Data Logs

A good data log turns guesswork into a real diagnosis — what to capture and how to send it.

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2026-09-09

Towing Tune vs. Race Tune: Why One Calibration Doesn’t Fit Both

A towing tune and a race tune solve different problems — why one calibration can't do both well.

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Have A Tuning Question?

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