Oldsmobile’s compact Omega has become a quiet favorite among GM X-body fans, and interest has sharpened around cars equipped with the 350 cubic inch V8 that enthusiasts often shorthand as “SX 350” ...

The 1970 Oldsmobile Rallye 350 arrived at the height of the muscle car wars with a message that cut against the chrome-heavy excess of its rivals. Instead of towering displacement and glittering ...