Zenith made some of the very best single barrel carburetors ever built, at any price, at any time, anywhere in the world. Since they made so many different, it is important to select one the proper size for the engine.

Rochester made some of the very best TWO and FOUR barrel carburetors ever built, at any price, anywhere in the world.

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