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 …

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 …

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 …

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 …

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 …

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 …

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, …

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 …