Pontiac 400 - Pontiac 400 Big Block - Pontiac 6.6L



Also known as The Trans Am 6.6 Liter, Pontiac 400 Big Block, The Mighty 400








Pontiac 400 engine ~ T/A 6.6

Produced by Pontiac for the model years 1967 through 1979, the Pontiac 400 cubic inch engine, also known as the "Mighty 400" and “Pontiac 6.6” was a popular performance option for many of Pontiac's cars. The Pontiac 400 cubic inch engine was the only engine factory installed in 1967, 1968, and 1969 Pontiac GTOs. The Pontiac 400 cubic inch engine was also the biggest engine available in Pontiac Firebirds in 1967, 1968, and 1969.

The 6.6 liter (400 c.i.) was introduced by Pontiac for the 1967 model year muscle cars, produced between 255 and 325 (Ram Air option) stock horsepower with a 4.121 inch bore and 3.75 inch stroke.


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Pontiac400.com - The Pontiac 400 Big Block