Answer: In general, an engine's timing chain isn't considered a maintenance item. But in high-mileage situations, a chain may indeed stretch and cause problems. I don't know of any GM dealerships ...

Off-the-shelf parts are more readily available than ever. Custom cam profiles, crazy domed pistons, and what were once consideredwild rocker-arm ratios are now the norm in modern-day engine building.

I have a 355 small-block Chevy in my 1971 Nova and just swapped on a set of used aluminum heads. I was told the heads have 180cc intake runners, 64cc chambers, 65cc exhaust ports, and 2.02/1.60-inch ...

I installed a Chevrolet 350-HO/333hp crate motor in my 1987 Monte Carlo SS, and had the trans reworked with a shift kit. We wanted to keep the computer-controlled stock Quadrajet carb and distributor ...

Motor oil is the lifeblood of every vehicle; it keeps the engine lubricated so it can run smoothly and efficiently. Going beyond 3,000 miles every now and again by a few hundred may not be critical, ...