Are there any "air gap" intake manifolds that will fit this application? I've tried to fit two Edelbrock manifolds, but found them to be too tall to fit under the small block hood of this 1972 Corvette with a mostly stock 350 engine. The engine currently has a Holley 4175 spread bore with vacuum secondaries. The owner isn't committed to running the OEM air cleaner, so this may open up the number of intake manifold options. He is, however, committed to blocking the exhaust crossover and divorced choke setup. The goal is to eliminate intake manifold heat, which is why an electric choke has been chosen and an air gap manifold is desirable. Thanks for any assistance.