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How Spark Plugs Can Improve (Or Devastate) Your Fuel Economy
Spark plugs are pretty crucial to internal combustion engines, but can swapping old plugs for new ones really improve your car's fuel economy?
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Steel Vs. Aluminum Rocker Arms: Does It Make A Difference?
Rocker arms are an essential part of overhead valve engines. But how essential is it to keep track of whether they're made out of steel or aluminum?
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Man Pays For Mustang Restoration, Gets Car Back In Pieces Five Years Later
We've heard some pretty horrible mechanic stories over the years, but this may be one of the worst.
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Here's How To Decipher The Different Grades Of Motor Oil
If you're in the auto parts store wondering what all the codes mean on bottles, then you are not alone. Here's our handy guide to deciphering the digits.
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This Is The Essential Tool Every Hybrid And EV Auto Mechanic Needs
What’s the one tool every EV and hybrid mechanic should own because it literally saves lives? The answer is, of course, the good ol' high-voltage multimeter.
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How To Prevent Engine Block Hot Spots
If your engine is showing signs of overheating, it might have developed hot spots. Here's how to identify and prevent them so you extend your engine's lifespan.
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Yes, Size Affects Performance (We're Talking About Spark Plugs)
Fitting bigger spark plugs might sound like a recipe for improving power output, but it can have catastrophic consequences for your engine.
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What's The Difference Between An Idler Pulley And A Tensioner Pulley?
If you're even remotely interested in wrenching, you've probably heard of idler and tensioner pulleys, but if you're unsure which is which, step right this way.
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What's The Difference Between Honda B-Series And K-Series Engines?
Honda's B-Series and K-Series engines are popular among wrenching enthusiasts, but there are compelling reasons for choosing one over the other.
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What's The Difference Between Platinum And Double Platinum Spark Plugs?
Platinum spark plugs are already a step up from copper. Double platinum plugs might seem like a straightforward upgrade, but it's not as simple as it seems.
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Volvo's Redblock Engine Is Basically Sweden's Chevy Small-Block
Volvo once created an engine known as the redblock. Its production didn't continue into the 2000s, but it's still regarded as a fantastic engine today.
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This Harbor Freight Storage System Will Revolutionize Your Garage Organization
Nothing kills the momentum of a DIY project faster than a missing tool. Harbor Freight's Bauer modular storage system might be just what you need, here's why.
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A 3D Printed Aventador Proves You Would In Fact Download A Car
Once you've picked up the 3D-printed Lambo body, you'll need to download an engine, drivertrain, interior, wheels, and basically everything else.
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BMW Should Have Put The M3 V8 In A Mini, But Since They Didn't I'm Glad This One Exists
The Mini wasn't built with large-displacement engines in mind, but that doesn't stop this big BMW V8 from looking right at home in the tiny engine bay.
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What's The Difference Between Satin And Glossy Paint Protection Film?
Paint protection film is a great way to keep your car protected from the elements. Glossy film is common, but satin film has some of its own appeal.
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The Only Thing Better Than An El Camino/GNX Mashup Is This El Camino/GNX Mashup With A 470-HP Buick Racing V6
Marry the Buick GNX's front end and interior with an El Camino body, and a turbocharged 4.1-liter Buick Motorsports V6, and you get the stunning Grand Camino.
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Cuban Man Converts Polski Fiat To Run On Charcoal To Get Around U.S. Oil Blockade
With a U.S. oil blockade in place, there are very few options for Cubans who require transportation, and this mechanic's solution is to use charcoal.
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You Can Actually JB Weld A Broken Connecting Rod Back Together In A Pinch
What can't JB Weld do?
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Why Shouldn't You Use Multi-Vehicle ATF In Your Automatic Transmission?
Multi-vehicle automatic transmission fluid might seem like something that's easy to use with any vehicle. But it's better to use more specific fluid.
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Chasing Tornados In An Oldsmobile Toronado May Not Be Safe, But It Is On Brand
Turning a rusty Oldsmobile Toronado into a Tornado-chasing vehicle probably isn't the safest strategy, but the names are just too close not to.
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These Were The First Major Wrenching Projects Our Readers Attempted
You've done everything getting a non-running Jaguar XK120 running to replacing your own transmission to save money on labor to modifying your mom's old Civic.
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Chevy LT1 V8s: A Comparison Of Three Small Blocks
The General Motors LT1 engines might be long-running, but the mills it has adorned are quite different. So which LT1 is which, and what are the differences?
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Recycling Motor Oil Isn't Just The Law, It's Great If You Like Living On Earth, Too
We've probably all heard that we should recycle motor oil, but why is it so important for the environment? And what happens if we fail to do it?
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What Is A Dual-Mass Flywheel And Why Do Automakers Use Them?
Every now and then, a mechanic or engineer will start talking about dual-mass flywheels, but what are they? And why would car makers use them?
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How Catastrophically Bad Is Rod Knock For Your Engine?
If you hear a knocking sound from the bowels of your engine, it could be rod knock, but what exactly is it, and just how catasrophic can it be?
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Here's What To Know When You're Considering A Diesel Swap
Switching from a gasoline engine to a diesel-powered setup is an enticing possibility, but it requires a lot more work than you might think.
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Stay Tuned Is YouTube's Most Eclectic Hot Rodder By Far
Tony Angelo has been building fast and somewhat sketchy cars for longer than many of you reading this have been alive.
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