Using Wipers Without Headlights In Bad Weather Is Illegal In These US States
Are you required to have your headlights whenever your wipers are turned on? The answer depends on what state you're driving in.
Read MorePeter Nelson
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Stories By Peter Nelson
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Marine Vs. Automotive Spark Plugs: What's The Difference?
The spark plug in your car and a spark plug on a boat have the same job, but perform it in very different environments. Here's how marine spark plugs stay dry.
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How To Find (And Fix) An Engine Vacuum Leak Yourself
A vacuum leak can cause a variety of drivability issues in your vehicle. Here's how you can isolate the leak and the steps you should take to fix it.
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Why BMW Went To Single Turbos Instead Of Dual Turbos
A dual turbo setup can deliver a lot of power, but the performance increases can come at a cost. Here's why BMW has opted for a single turbo engine in the past.
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Why This '80s Transmission Used Three Shifters Instead Of One
The Hurst Lightning Rod system in the 1984 Hurst/Olds Special Edition came with three shift levers to control its automatic transmission. Let's find out why.
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What's The Purpose Of A Carburetor Vacuum Line?
Carburetors with vacuum lines are still found on classic vehicles and small-displacement engines — but what is the vacuum actually used for? Let's take a look.
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When Did US Automakers Switch To Metric Bolts?
Metric fasteners are standard on modern vehicles. However, that wasn't always the case. Here's when manufacturers first began to make the switch from SAE.
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