Doc - I would respectfully disagree. Rochester used components in this carburetor which are NOT compatible with modern fuel. Even if the N.O.S. carburetor is free, it will still require rebuilding (at least the accelerator pump, the fuel valve, and the gaskets will need replacing).

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop