Funny You Mention The 454 Wizard,i Talked To A Guy Who Told Me A List Of Things To Do,im Gonna Try That Route Adn Maybe Do A Ls Conversion In A Chevelle,i Cant Find Any Shorty Headers,they Show Some For A Ss454 But I Wonder What The Difference Would Be?hedman Says They Wont Woek,but I Think Why Not,the Manifold Part Number Is The Same.