LEFT: After labeling and disconnecting the throttle linkage and vacuum hoses, start by un-bolting the carburetor from the manifold.

BELOW LEFT: Next remove the choke spring. The new Holley comes with an electric choke so we won't need this.

rated at 650 cfm and designed with a spread bore flange (rear secondaries larger than the front primaries) as a direct replacement for the Rochester four-barrels used on 1973-77 Corvettes. And it was a direct installation for our ‘74. Other than a threaded coupling needed to connect the Corvette’s hard vacuum line to the power brakes and finding a switched power source for the Holley’s electric choke, the Holley installed perfectly in place of the leaking Rochester. Of course, with the