How to Install a Posi Hogs Head?

Answer Hogs head is car jargon for a differential. "Posi" is short for positraction, the General Motors term for a limited slip mechanism often installed as an aftermarket replacement for the standard ope... Read More »

Top Q&A For: How to Install a Posi Hogs Head

How to Install a Posi Unit in the Rear?

Positraction, or Posi for short, is a name coined by the creators of the technology, Eaton technologies. Posi is highly regarded as a viable, comfortable alternative to a locking differential in hi... Read More »

How to Rebuild a 10 Bolt Posi?

The 10 bolt Positrac differential is a rear-end differential found stock in IROC-style Chevy Camaros in the early to mid-1990s. The 10 bolt Posi is a slightly smaller version of the much heavier d... Read More »

What Is Posi Track?

Posi-Track is a shortened generic term for the GM-branded name "Positraction." It is a type of limited slip differential. To understand how limited slip differentials or LSD works, you must underst... Read More »

How to Tell If a Chevy 10 Bolt Is a Posi?

Aside from differences in ring gear and axle sizes, the GM 10-bolt rear axle comes in "open" and "posi" differential versions. The differential is the assembly in the center of the axle that contai... Read More »