Introduced in 1970, the Chevy 454 — affectionately known as the Rat Motor – was the largest displacement Chevrolet engine to enter the big-block engine showdown of the muscle car era.
A Chevy rep said that the whole E-Rod system ... approximately 80 horses more than the available 454-cubic-inch big-block engine in 1978 – and it's matched with a 4L70-E automatic transmission.
Chevrolet Performance keeps finding ways to upgrade the venerable Small Block V8. For the new ZZ6 350 crate engine that gets a full debut at the SEMA Show, valvetrain improvements help it reach ...
In short, Chevy's been at it for so long that the automaker is bound to have some truly great creations under its belt. It's no surprise, then, to learn the most power-dense, mass-market engine ...
That said, Chevy did produce a handful of 1983 model ... It featured the same 454 cubic-inch engine that the Chevelle SS utilized at the time, but GM reckoned it only had 425 horsepower.
The latest 2025 model year also debuts a new turbodiesel Duramax option, namely the 3.0L I6 LZ0 engine. Now, GM Authority has exclusively learned when the refreshed 2025 Chevy Tahoe and 2025 Chevy ...