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  1. L65 V8 I want 300HP

    Hotrodding Basics
    Hi i have a 1973 Pontiac Laurentian (Chevrolet Impala) that has an L65 2bbl 350 V8 that produced 150hp when new. Im new to engine mods and im wondering what i should do to get around 300Hp. i want to spend around $1000. i have heard that 305 heads a 4bbl intake and carb and headers and exhaust...