Engine Specs for the Chevy 409 V8 plus horsepower and firing order.

Feb 22, 2021 · The top-trim versions of the street-car 409 churned out an astonishing 425 horsepower, while the Bill "Grumpy" Jenkins-tuned NHRA cars could run the quarter mile in under 13 seconds.

Mar 29, 2025 · But splashing out $60 for dual Carter four barrels delivered a mighty 409 hp (415 PS), the magic 1 hp per cubic inch Chevy had first promised with its injected 283 in 1957.

Jul 15, 2024 · With its impressive horsepower and torque, the 409 quickly became a favorite among car enthusiasts and racers. Its reputation grew, thanks to its presence in popular models like the Impala, Bel Air, and Biscayne. These cars showcased the engine’s capabilities and cemented its status in automotive lore.

Jun 26, 2023 · By the time 1963 rolled around, the 409 V8 Impala was making a name for itself on the drag strips. The peppy little engine produced 425 hp and 455 lb/ft of torque, with 0-60 speeds in 7.5 seconds (although many owners were getting much better times).

Feb 18, 2025 · In 1962, Chevrolet released a dual-quad carbureted version, which produced an astounding 409 horsepower —a one-horsepower-per-cubic-inch rating, something virtually unheard of at the time. Chevrolet’s factory-backed race cars, powered by the 409, dominated NHRA drag racing in the early 1960s.

Dec 22, 2010 · The lower HP 409 was hyd lifter and 817 small port heads with iron intake and small carb. 400 and 425 was intake difference. For example: In 1965 the 425 option was a dealer installed intake, carb, air cleaner package on the RPO 400 hp engine. In all years 61-65, no air or auto on solid lifter 409.

Feb 21, 2017 · The 409 V8 may be a dead end in the Chevrolet high-performance story, but it’s a fascinating one, and more than worthy of a closer look. Here’s the lowdown on a nearly forgotten engine. The 409 V8 is a missing link, if you will, in the history of Chevrolet horsepower.

Jun 4, 2024 · Starting with the base 360-horsepower version in 1961, it later received a dual-quad setup and a more aggressive cam, boosting it to 409 horsepower. During its next model year, 1962, the addition...

Apr 9, 2021 · With its single four-barrel carb, the engine was rated at 360 hp. Motor Trend tested a ’61 409 Impala SS on the drag strip for its Sept. 1961 issue. With the factory-installed 3.36 axle...