- Jul 31, 2023
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So I’m on the process of putting together a 5.0 what would appoint Hp on this motor. 1984 short block flat top with 2 valve reliefs, 69 351 W heads ported 1.94 / 1.60 ss valve , Weiand street warrior duel plane , Demon 650 , SS shortys . Comp 268h cam with matching springs. 1.6 roller lifters, Any guesses on Hp with this set up.