It seems that if you own a GM musclecar, you must have a 12-bolt differential residing under the rear framerails. Nearly every nontubbed GM car that we feature proudly boasts a 12-bolt posi among the ...

The realm of automotive technology is rife with jargon and acronyms, from ABS (Anti-Lock Brake System) — which first appeared in 1978 — to ZEV (Zero-Emissions Vehicles). Sitting squarely between those ...

The only thing more frustrating than not having the power to spin the tires is smoking the right rear when you'd rather be accelerating. Single-tire spin occurs with either an open differential or a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (iSeeCars) – To understand the benefits of a ...