There is no "perfect" carburetor (although the Carter thermoquad comes close, if you have enough engine).

Much more important than brand is configuration (square bore or spread bore) and environment (street, street/strip or race only).

I have posted a set of guidelines (a group of questions about your plans for the vehicle) to help you pick what you need in a couple of threads. In you can't find them here, they are posted on our website.

Also, while not trying to promote a "different" Pontiac, I will be hosting seminars at the GTO nationals in St. Louis in late June on both the Pontiac tripower and the Carter AFB as used by Pontiac.

Jon.