MotorTrend

Engine Masters | Episode 19: Camshaft Specs Explained

Ever wonder what those camshaft specification numbers really mean and how they affect engine performance? On episode 19 of Engine Masters, David Freiburger explains cam lift, duration, lobe separation angle, and installed centerline. Next, we test a low-rpm cam and a high-rpm cam in the same engine to demonstrate the power differences.

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On this episode of Engine Masters presented by AMSOIL, we test the long-standing Internet theory that too big of an intake port kills bottom-end torque. Watch us take the mildest of 408 Ford small-blocks and try to make the torque curve dance by bolting on three different heads from AFR. Will the myth be busted, or will we stumble upon a surprisingly awesome combo for a small-block Ford? The answer to at least one of those questions is YES!! Engine Masters is supported by Earl’s Vapor Guard hose, Mr. Gasket, Auto Meter, and Permatex.

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On episode 64 of Engine Masters, the guys take a 555 big-block Chevy to the Blower Shop then test the difference in power between gas and E85, and how much more power can be made when running each on nitrous.

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Engine Masters | Making 1,500 HP, the Blown and Squeezed Way

The new, 760 horsepower 2020 Mustang GT500 is Ford's most amazing Mustang yet, and can run sum 11-second quarter mile runs in bone stock form. Watch Mustang drag racing ace Evan Smith do just that.

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2020 Ford Shelby Mustang GT500 Runs Sub 11-Second Quarter Mile!

A fullsize truck for the street truck crowd. Ford has added a new trim package for the 2025 F-150: a Lobo variant that pays homage to street culture and will be on sale this fall.

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2025 Ford F-150 Lobo First Look: Fullsize Sport Truck

Supercar performance at an attainable price isn’t a fantasy, but how the Chevy Corvette and Hyundai Ioniq 5 N deliver it couldn’t be more different. What’s the better bang for your buck, tried and true V-8 or the EV of the future?

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2025 Chevrolet Corvette vs. 2024 Hyundai Ioniq 5 N: Ultimate Performance Bargain Battle!

Ride along as Corvette ZR1 lead development engineer Chris Barber takes us on a short but very, very fast ride in Chevy's 1,064-hp supercar.

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Watch and Hear the 2025 Chevrolet Corvette ZR1 Rip to 205 MPH

Introducing the 2025 Ford Explorer! Watch along as MotorTrend editor Frank Markus dives in to what's new with this mid-cycle refresh.

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2025 Ford Explorer First Look: New Tech, More Luxury

Chevy has transformed America's sports car into a world-class supercar with a 5.5-liter twin-turbo V-8 that makes an incredible 1,064 horsepower. Take a look at what makes the ZR1 the ultimate Corvette. "

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2025 Chevrolet Corvette ZR1 First Look: Supercar, Achieved

Chevy's new Silverado EV electric pickup packs tons of technology and a massive battery rated for 440 miles. We take the Silverado EV for a first drive to see if it's good enough to put range concerns to rest.

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2024 Chevrolet Silverado EV RST First Drive: Has EV Range Been Solved?

Assembly highlights of a 1,200-hp capable 392ci BGE Hemi short-block at IMM Engines in Indio, California, set to incendiary guitar playing by author Johnny Hunkins.

7:21

Junkyard 392 Hemi Engine | Part 2: Short-Block Assembly Build Highlights