CI big-block V8s in the late 1960s and early 1970s, one each from Oldsmobile and Pontiac. But how did these two engines ...

Oldsmobile 4-4-2 W-30 versus Buick GS 455 Stage 1, A-body brothers each considered the “gentleman’s musclecar.” Sibling rivals when GM divisions competed.

The Hurst-Olds 455 started rolling off the line for the 1968 model year. (Coincidence or not, the 4-4-2 was also promoted from a high-performance optional package to model status in 1968.) ...

The Oldsmobile 455 had more than just raw power. It also featured variable piston designs, compression ratios, and intake settings tailored to each vehicle's specific requirements.

Oldsmobile wanted to change that, and to make it happen; it employed George Hurst of Hurst Shifter fame to make a car that used one of Plymouth's higher-powered engines to date with the 455 cubic ...

The ad also claims that this car’s chassis number aligns with build #841, as listed in the Hurst 455 H/O registry. Good to know. What we don’t know is whether or not the replacement 455 ci V8 ...

I’m going to admit selecting which Oldsmobile to crown worthy in my Top 10 Muscle Car list was the toughest selection of the entire feature article series.

The 1969 Hurst/Olds is now a member of our author’s Top 10 Muscle Cars of All-Time, thanks to its beautiful white and gold paint scheme and other muscle car features. With its bold 455 inscribed on ...

The 1969 Hurst/Olds is now a member of our author’s Top 10 Muscle Cars of All-Time, thanks to its beautiful white and gold paint scheme and other muscle car features. With its bold 455 inscribed ...

In 1968, Hurst went beyond just turning out shifters. He built an Oldsmobile Cut­lass 442 with a huge Toronado 455-cubic-­inch V-8 under the hood.