you shoudl look into a custom chip for it. if you go through adn freshen teh carb up and have custom tunign done you will see a huge gain.
the stock chip does not take advantage of timing or fuel curves teh car can use, just extremely safe ones that gm figured would make things last a long time.
the carbs are easy to work with and there are a bunch of books and tech articles around about how to get them working like new.
later
tim
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