Engine & Exhaust

Engine technology is all about evolution. In the dark ages of early internal combustion engines, cylinder blocks and even pistons were made from clunky cast iron and early metallurgy prevented […]

If that headline seems like something out of a horror movie, well, good. Because microbes are essentially tiny gremlins living in your diesel fuel—and you don’t have to be William […]

I read your story on what weight oil to use for a certain bearing oil clearance. Thanks for a good article, Here’s a question for you. Would you look at […]

It is the way of the world today. Technology improves the breed. Flat tappet cams had their day but if performance is your goal, one step that can really complement […]

When up against extreme loads, even the most hardened engine fasteners have some spring in them—and it particularly affects your connecting rod bolts. Often referred to as “rod bolt stretch,” […]

There are several different types of distributor gears out there, including iron gears, bronze gears, melonized gears, and composite gears. So what’s the right gear for your distributor? Iron Distributor […]

Drag racing engines have different oil demands than, say, the engine in your daily driver. And though we’re pretty sure you just shouted “WELL, DUH!” at your screen, we figured […]

I have a 1991 Chevy pickup with a blown up small block that came with factory A/C. I managed to find a nice motor home 454 engine for a little […]

Diesel owners often have a vocabulary all their own, with words like urea and stiction regularly coming up in any diesel conversation. But perhaps the most important term you’ll hear […]

Ford’s venerable Modular engines have been a Ford mainstay for three decades. The 4.6L “Mod’ Motor” SOHC V8 first appeared in the 1991 Lincoln Town Car and quickly made its […]