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This BMW X5 Shows Why Mechanics Hate SUVs

This video on the M539 Restorations channel shows how tough it can be to break down an oil leak on an SUV packed to the gills with a complex V-8.

May 25 2025 -

Yes, You Should Use Fuel Detergent. Your Engine Will Thank you

Even with high-quality fuels, your engine could still suffer wear thanks to carbon deposits. A canister of detergent can fix that.

May 25 2025 -

Listen to This 10-Liter V-8 Rev to the Moon on a Dyno

Turbo engines are great and all, but nothing beats a huge, naturally aspirated V-8.

May 24 2025 -

The Square Four Motorcycle Engine Was Weird And Awesome

Pioneered by Ariel and used by a few other brands, it was wonderfully balanced and sounded great. How come it's not in use today?

May 17 2025 -

Here's Why You Shouldn't Use Racing Oil in Your Street Car's Engine

Racing oil cleans your engine well, and can even improve horsepower. But it's not meant for long oil change intervals.

May 17 2025 -

Here's How to Build a 1,200-HP BMW Drift Engine

Legendary engine builder Steph Papadakis unravels the secrets of his mega-horse B58 engines. Yes, there's nitrous involved.

May 11 2025 -

Someone Installed a Head Gasket Upside Down on This Small Block V-8

GM's 6.2-liter V-8 is part of a huge recall. This one failed because of simple human error.

May 10 2025 -

Rob Dahm's 12-Rotor Engine Made 1,515 HP. Then It Caught on Fire

It generates a bit of heat revving to 7,500 rpm.

May 5 2025 -

Watch This Junkyard Minivan Engine Come Back to Life and Make Big Power

When your junkyard V-6 turns out to be a dud you just can't return, there's only one option left: Rebuild!

May 4 2025 -

Subaru Flat-Six Engine Teardown Shows No Damage at 200,000 Miles

It doesn't come apart easy. But still, we're shocked.

May 3 2025 -

Believe It or Not, China Built a New Twin-Turbo V-8

In a country where EVs reign supreme, this new twin-turbo V-8 could power an off-road SUV.

Apr 30 2025 -

The Next BMW M3 Will Have a 'New Type' of Gas Engine

It will still be a six-cylinder, but the specifics remain a mystery.

Apr 30 2025 -

Here's Why You Shouldn't Run Diesel Oil in Your Gas Engine

Oil weight isn't everything. Depending on which fuel your engine uses, you could be causing excessive wear.

Apr 26 2025 -

Bugatti's New V-16 Has a Bizarre Timing System

This Cosworth-designed V-16 has a strange combination of gear and chain drive. We've never seen anything like it.

Apr 24 2025 -

Genesis Has a New Twin-Turbo V-8. Here's What It Looks Like

It's not often a company designs a brand-new V-8 engine. Sadly, this one's only meant for racing.

Apr 23 2025 -

LS-Swap Your RC Car With This Scale-Model V-8 Engine

This small, build-it-yourself V-8 doesn't run, but the accessories spin and it looks fantastic.

Apr 20 2025 -

Mazda's New Rotary Is 'Feasible for Production'

Mazda's engineering team says the rotary is nearly ready for production. It just needs a "good business case" to become a reality.

Apr 15 2025 -

This 'Most Blown Up' Hemi V-8 Has More Holes Than a Donut Shop

Three big holes, melted bearings, and a busted rod. This engine has it all.

Apr 14 2025 -

Here's How Japan's Automakers Will Keep Gas Engines Alive

The automakers are providing vehicles that can run on a synthetic fuel blend.

Apr 14 2025 -

Tiny 32cc Four-Cylinder Engine Has the Cutest Little Turbo

We can't hear it spinning, and it probably doesn't add much power. But we still want it.

Apr 12 2025 -

Listen to Rob Dahm's Mind-Melting 12-Rotor Engine on the Dyno

Even without boost, Dahm's 12-rotor makes huge power.

Mar 26 2025 -

This Tiny V-8-Powered RC Monster Truck Sounds Incredible

The 44 cc liquid-cooled engine is right at home in this 1:10 scale square body Chevy pickup.

Mar 22 2025 -

Mazda's Skyactiv-Z Will Be 'The Ideal Internal Combustion Engine'

The technology is coming to inline-sixes and rotary engines as well.

Mar 18 2025 -

Cummins Just Launched Its First Gas Engine

The B6.7 Octane will be available for medium-duty trucks.

Mar 14 2025 -