SPELAB Blogs
Explore expert guides, upgrade insights, maintenance tips, product comparisons, and installation knowledge across a wide range of automotive performance and replacement parts.
6.7 Powerstroke CP4 Failure Symptoms: 5 Early Warning Signs Before the Pump “Grenades”
Discover the most common CP4 failure symptoms on a 6.7 Powerstroke and how to spot early warning signs before fuel system damage becomes costly.
5 Signs Your Ram 2500/3500 6.7L Radiator Is Failing
Discover 5 early radiator failure signs on 2010–2018 Dodge Ram 2500/3500 6.7L Cummins trucks, plus inspection tips and guidance for proper replacement.
Plastic vs. Aluminum Coolant Expansion Tanks: Is the Upgrade Worth It?
A mechanical engineer explains why plastic coolant tanks fail, the symptoms of a "degas bottle" leak, and why upgrading to aluminum is cheap insurance for diesel trucks.
Ford F-250 Super Duty: A Mechanical Engineer’s Deep-Dive Report
Mechanical engineer John Lee analyzes 25 years of Ford F-250 Super Duty evolution. Learn about 6.7L PowerStroke reliability, "Death Wobble" fixes, and expert maintenance to make your truck a 500k-mile...
Why the Right Valve Cover Matters in a 6.0L Powerstroke Rebuild: An Engineer’s Breakdown
A mechanic’s analysis of a real YouTube build by Lucid Diesel, explaining why a rigid 6.0 Powerstroke valve cover is critical for sealing integrity, heat management, and long-term engine reliability.
Why a 6.7 Cummins DPF Keeps Clogging After Replacement
Replacing a DPF is often a temporary fix. Discover why the "Regen Loop of Death" happens and how a Delete Kit saves thousands in recurring repair costs compared to OEM...
What Is the Best Year for a 6.7 Powerstroke? An Engineer’s Breakdown of Every Generation
Looking for the ultimate 6.7L Power Stroke? Move beyond anecdotal forum opinions. SPELAB Lead Engineer John Lee conducts a technical deep dive into the metallurgy, turbocharger evolution, and transmission logic...
Code Name "Scorpion": How the 6.7L Powerstroke Saved Ford’s Heavy Duty Legacy
SPELAB engineer John Lee dissects the 6.7L Powerstroke. Learn about the revolutionary "Scorpion" design, the Hot-V turbo layout, and how Ford saved the Super Duty brand with this engine.
What is a Line Lock? The Ultimate Guide to Burnouts and Usage
A line lock allows independent front brake control for perfect burnouts. Learn the definition, critical safety warnings, and follow our step-by-step guide to launching your car on the track.
DPF Delete Explained: Benefits, Problems,Worth it?
Updated: May 19, 2026 A DPF delete means removing, bypassing, or disabling the Diesel Particulate Filter from a diesel truck’s exhaust system. Some owners research it because of repeated regeneration...
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