Replacing your spark plugs is important and usually a fairly simple process, but if they seize in the cylinder heads it's an entirely different matter.

The next step in our C5 Corvette build begins — removing the LS1 cylinder heads to prepare for a full engine overhaul. In ...

Taking apart my C5 Corvette’s engine! Watch as I remove the cylinder heads, inspect for damage, and plan the next steps for this build. If You're Still Running Windows 10, You Need to Do This One ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...

From the October 1987 issue of HOT ROD: A Super Duty conversion kit that could give your Fiero the kind of performance its styling implied. Pontiac's Super Duty 4-cylinder engine has established a ...

Some say there’s no replacement for displacement; I say there’s no replacement for revs. Low-end torque is a boon, but it has nothing on a tachometer that plays the floor-is-lava with the 7,000 rpm ...

The experts over at Swindon Powertrain have unveiled a new cylinder head kit for Porsche 964 and 993-generation 911 models that will allow engine builders to make even more power from some of the ...

Harry has been writing and talking about motorcycles for 15 years, although he's been riding them for 45 years! After a long career in music, he turned his hand to writing and television work, ...

Ferrari was so proud of its five-valve cylinder heads, it changed a naming convention that ran back over 25 years. For its previous mid-engine two-seaters, the three-digit name was derived from ...

Hot-rodders share a common denominator, irrespective of brand loyalty: get from A to B as fast and as inexpensively as possible. Within the scope of the engine, that means focusing primarily on the ...

The Screamin’ Eagle 131 engine combines the 4.5-inch stroke of the Milwaukee-Eight 114 engine with new 4.31-inch bore cylinders. Milwaukee-Eight Extreme Ported four-valve cylinder heads are CNC-ported ...

In the 1980s, General Motors was hurting badly. It was the Roger Smith era, during which the company's U.S. market share would end up dropping from the mid 40 percent range to the mid 30s. To help ...