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Engineer Explains

New Cummins Diesel Engine: Chief Engineer Explains Why Hydraulic Lifters Beat Flat Tappets

Tim EsterdahlJuly 16, 2026

Do Short Trips Really Hurt Modern Diesel Trucks? Engineers and Diesel Mechanics Weigh In

Tim EsterdahlJuly 12, 2026

Famous Ford EcoBoost Teardown Test 15 Years Later: Proved Durability, Still Debate Over Oil, Carbon Buildup and Turbo Life

Tim EsterdahlJuly 9, 2026

Ram Engineer Explains How 4WD Auto Works and Why Most Owners Get It Wrong

Tim EsterdahlJuly 8, 2026

Ram TRX SRT Chief Engineer Explains: How the Hellcat V8 Reached 777 Horsepower

Patrick RallJuly 7, 2026

GM Duramax Lead Engineer Explains: Oil Pump Belt, Reliability, Why the 3.0L Is Still a Top Choice

Tim EsterdahlJune 30, 2026

Ram’s 5.7-liter Hemi Return Required a Secret Multi-Million Dollar Trip to New Zealand and It’s Paying Off

Tim EsterdahlJune 26, 2026

Slate Truck: The American Talent for Engineering Simplicity

Larry PrintzJune 24, 2026

Ram Hurricane Engine Chief Engineer Explains: Why Hemi 5.7L V8 was Replaced, Stop Changing Oil Every 3,000 Miles

Tim EsterdahlJune 10, 2026

DEF Expert Explains DEF Expiration, Storage And Diesel Emissions Problems: What Truck Owners Need To Know

Tim EsterdahlJune 3, 2026

2026 Jeep Grand Cherokee Gets New Hurricane 4 Engine: Engineer Explains Why Jeep Dropped The V6

Tim EsterdahlMay 27, 2026