Like the 350, the Oldsmobile 403 V8 is a small block engine, but with a larger bore of 4.351 inches. It produced 185 ...

The last and largest engine for the 1977 Pontiac Firebird is the Oldsmobile 403 V8, which basically has the same structure as the previously mentioned Oldsmobile 350 V8 engine, but the main ...

becoming Hurst/Olds muscle cars. The regular 4-4-2 of 1968 had to make do with the company’s limit-forcing 400-cubic-inch V8 (6.6 liters). The engine couldn’t go above that limit because ...

Or the fact that it was the first real king of NASCAR racing. Oldsmobile created the 88 by dropping the V8 engine of the range-topping 98 into the slightly smaller 76. This combination turned the ...

like most V8 engines of the era, the 455 V8’s performance dwindled over the years as more stringent emissions requirements became established. While Oldsmobile became overshadowed by other GM ...