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 ...

Over the years, we thought we knew a few tricks about how to set up a typical Eaton 12-bolt, clutch-style limited slip, better known as a Posi. But we've learned a slick trick from Tom at Tom's ...

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 ...

This is an archived article and the information in the article may be outdated.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 ...