yes I recall the Streetmaster, Performer would be much better suited. for performace suggestions stay conservative. 305s small bore makes it really easy to over cam & over carb. if its a stock bottom the Edelbrock Performer cam works great in it. as far as heads, if you plan to improve flow Id recomend either Vortec, or World Products S/R 305 heads. If you plan to keep it within 5500 RPMs a 500 CFM carb..or Q-jetwill be best suited.