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Old 09-16-2011, 12:27 PM
joe_padavano joe_padavano is online now
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I'm not sure about the 73-77 cars, but the 64-72 Vista used bigger rear brakes than the rest of the A-body line. Normal rears were 9" x 2", Vistas (and Buick Sport Wagons) used 9" x 2.5". Of course, in those years the VC and Sport Wagon used a 5" longer wheelbase than the flattop wagons. Since ALL the 73-77 wagons were flattops, I don't believe that there is any wheelbase or weight difference. The 73-77 A-bodies could have used 9" x 2" rear drums or 11" x 2" rear drums.
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