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Did Dodge make a 340 six pack?

Published in Dodge Engines 2 mins read

Yes, Dodge did make a 340 Six Pack engine. This iconic high-performance option was a notable feature in some of Dodge's muscle cars, particularly during the peak of the muscle car era.

What Was the 340 Six Pack?

The Dodge 340 Six Pack was a specialized version of the standard 340 cubic inch V8 engine. It was engineered to boost performance for street applications. Unlike its racing counterparts, which sometimes utilized destroked versions of the 340 for specific regulations, the street-legal 340 Six Pack focused on increased power output through an innovative carburetor setup.

Key Features of the 340 Six Pack

The defining characteristic of the 340 Six Pack was its induction system:

  • Carburetor Configuration: It featured a trio of two-barrel carburetors mounted on top of a specially designed aluminum intake manifold. This setup allowed for greater airflow and fuel delivery, significantly enhancing engine breathing compared to a single four-barrel carburetor.
  • Performance Rating: Dodge officially rated the 340 Six Pack at 290 horsepower (HP). This represented a noticeable increase of 15 HP over the standard 340 engine, providing an extra edge in acceleration and overall performance.
  • Applications: One of the most famous vehicles to feature the 340 Six Pack was the 1970 Dodge Challenger T/A (Trans Am). This model was a street-legal homologation special built to qualify the Challenger for SCCA Trans Am racing.

Engine Specifications at a Glance

For a clearer understanding, here's a comparison of the standard 340 vs. the 340 Six Pack:

Feature Standard 340 V8 340 Six Pack V8
Displacement 340 cubic inches 340 cubic inches
Carburetors Single 4-barrel Three 2-barrel
Intake Manifold Cast Iron Aluminum
Horsepower 275 HP 290 HP
Primary Use General Performance High-Performance Street

The Legacy of the Six Pack

The 340 Six Pack remains a highly sought-after engine among Mopar enthusiasts and classic car collectors. Its unique induction system and impressive performance for its displacement made it a formidable competitor on the street. It exemplified Dodge's commitment to offering high-performance options during an era defined by raw power and distinctive styling.

For more details on vehicles that featured this engine, you can explore resources like the 1970 Dodge Challenger T/A 340 Six Pak.