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Putting together a 6.0L. Using stock GM Parts L92 heads, and was thinking of doing the L76 intake & throttle body, injector kit from GM parts. Will it make more power than the "big ugly" truck manifold? What kind of power can I make with untouched L92's, stock short block, cam & longtubes? Going into a 69 F Body with a T56. I know the L76 is DBW VS. the stock 6.0L cable driven, but I'm not worried about the difference in the harness and getting the pedal. Mainly curious about the power difference with the intakes. Input is greatly appreciated.