7/2/2023 0 Comments Motor big cam 350![]() Both V8s use a 4.25” bore and 3.76” stroke. The engines’ official names are 425-hp Turbo-Jet 427 and 390-hp Turbo-Jet 427, respectively. It develops 390 horsepower from the 427 cubic inches and gives it to you in a way that’s deceptively quiet. The milder version uses hydraulic lifters, a different 4-barrel carburetor and 10.25:1 compression. The top-output engine is a 425-hp version with a 11.0:1 compression ratio, a very large 4-barrel carburetor, extremely free-breathing intake manifold passages and a special camshaft with mechanical valve lifters. Under it lies 427 cubic inches in either of Corvette’s two new V8s that can be ordered for 1966. Total 1966 Corvettes Built- 27,720 – 17,762 Convertibles, 9,958 CoupesĪ unique hood graces certain of the 1966 Corvettes. ![]()
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