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1967 GTO 400 engines compared: HO vs Ram Air
The 1967 Pontiac GTO gave buyers a rare choice between two distinct 400 cubic inch performance paths, the 400 HO and the Ram Air package. Each engine delivered serious speed, but they did it with ...
Due to stricter government regulations, the era of unrestrained factory-built performance was coming to an end in 1971. However, GM's excitement division answered with the largest displacement engine ...
351 Cleveland engines in the four basic configurations: A. 2 barrel; B. 4-barrel; C. Cobra Jet; D. HO or Boss 351. It seems that in the world of high-performance engines, the 351 Cleveland has been ...
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