Jerry - I wasn't trying to be argumentative, and I don't think Peter took it that way. As you suggest, some of the large aftermarket vendors sometimes oversell their wares. If alternatives are not presented, then anyone might believe that these advertisements are correct.

Peter - the article on selection is now on our website here:

http://www.thecarburetorshop.com/Carburetorsizeselection.htm

Since one of the examples used is a 283, you can see just how much overkill that a 600 CFM carb is for a 283.

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