Engineer Explains

Inside GM’s Engine Build Room: The Checks Before the Torture Tests

Tim EsterdahlSeptember 25, 2026

2027 GM HD 6.6L gas V8: More power, better cooling and no dipstick

Tim EsterdahlSeptember 24, 2026

2027 GM 8.3L Duramax: 555 hp, 1,230 lb-ft and a whole new diesel

Tim EsterdahlSeptember 24, 2026

How GM is Using AI to Improve V8 Engine Quality

Tim EsterdahlSeptember 18, 2026

2027 Chevrolet Silverado, GMC Sierra V8s: More Power, No Dipstick, 350 Returns, Cylinder Deactivation Remains

Tim EsterdahlSeptember 17, 2026

Ford Diesel Engineer Explains Why Modern Power Stroke Engines Can Last 1 Million Miles

Tim EsterdahlAugust 12, 2026

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

Is Turbocharged Engine Reliability Worse Than a V8? Engineer who Designed Both Explains Reality

Tim EsterdahlJanuary 30, 2026