We all know that success in racing requires paying attention to the details. Too often, it's the little things that throw a monkey wrench into what would have otherwise been a successful night of ...

We could've titled this story "lipsticking the pig" but the LS series of engines from Chevrolet are certainly not pigs in terms of performance. But, in regards to looks they can't hold a candle to ...

If you're even remotely interested in wrenching, you've probably heard of idler and tensioner pulleys, but if you're unsure ...

The crankshaft pulley that runs the accessory belt is held with only on bolt. But that is probably the hardest one to remove. This happens because this bolt is very well tighten and when you’ll try to ...

We love naturally aspirated engines, but there's no arguing that when it comes to adding serious power, nothing beats a little—or a lot—of boost. Single turbos, twin turbos, and centrifugal ...

A 1996 Mitsubishi Challenger’s 4M40 engine. Dear Paul, I own a 1996 Mitsubishi Challenger, with a turbo, 4M40 engine. I replaced the crankshaft in January due to an oil leakage in pulley area. The ...

There is a screeching noise from the pulley-belt in my 2015 Volkswagen Amarok. I have changed all the pulleys except the engine pulley. I have even changed the belt several times. It’s not going away.