As with the GS's standard 455, the Stage 1 carried a Rochester 4MV Quadrajet carb (with 1.375-inch primary throats and 2.25-inch secondaries) mounted on a dual-plane, cast-iron intake manifold. The ...
What began in 1965 as a performance upgrade for the Skylark evolved into a standalone model by 1967, dropping the "Skylark" badge and keeping only the "GS." By 1970, Buick was finally allowed to throw ...
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