Editing 993 sbc heads over 461 camel backs

I am building a 327sbc for a 1976 chevy stepside 2wd pickup and i want to be camel backs on it but i have a good set of 993's in my shop will they make more power for the 327. i am putting a dual quad set up with a muthr thumper cam the 993's have 1.94 and 1.50 valves in them

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