The 455 also made its way into the Delta 88 and 98 luxury sedans. The Oldsmobile Diesel V8 and V6 engines, GM's ambitious attempt at diesel tech in the late 1970s, are some of the most interesting ...

Here's a magazine ad for the 1983 Grand Prix LJ, which could be purchased with a sturdy Buick V6 engine, a not-too-slow-by-1983-standards Chevrolet V8... or the misery-inducing Oldsmobile Diesel ...

Here's why. The heart of the Oldsmobile LSS was GM's Buick 3800 V6, an engine known for being practically bulletproof. The 3800 is one of those engines that you'd think will survive the end of the ...

By 1981, the corporation was manufacturing more than a million units per year, and in addition to Buicks, the six-cylinder saw use in Cadillac, Oldsmobile ... of the best V6 engines ever built.

Time is catching up with Buick's seemingly ageless V6 engine. The venerable workhorse ... GM launched a small-displacement aluminum V8 engine for Buick, Oldsmobile and Pontiac compacts.

Olds diesel/gas engine front ends are nearly identical. However, as the serpentine app is both a V6 and a diesel, any braces or brackets that bolt to the intake manifold will almost certainly need ...

The Oldsmobile Intrigue was never too intriguing ... the Intrigue OSV concept was equipped with a supercharged 3.5-liter V6 engine which produced 260 hp (193 kW / 263 PS) and 260 lb-ft (352 ...