1981 Oldsmobile 98 Timing Components

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.