Pence66GS Posted March 16 Share Posted March 16 To help end the 401 duel quad carb question. Denny Manner head of Buick engines GS. I met him at the 2023 MCACN stated in 1966 no GS had the 425 installed at the factory these were for Rivera's and a few Wildcat's. The dual quad 401 was a dealer install not a factory. 2 Link to comment Share on other sites More sharing options...
EmTee Posted March 18 Share Posted March 18 That makes sense because at that time GM was limiting the A-Body cars to 400 CID maximum (well, 401 for Buick). The following year brought the Q-Jet and ended multiple carbs for BOP. (Of course, Corvette still managed to get the 3x2 427.) Link to comment Share on other sites More sharing options...
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