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  1. SBC Flat Tappet to Roller conversion questions..

    Engine
    Do you guys know the difference between a retro-fit roller camshaft and a regular roller camshaft? If using a cam button, retro-fit roller lifters, and all other proper parts the pre-86 blocks need, could I use a standard roller camshaft? Or must it be retro-fit? Are they different sizes/lengths?
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