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#10
12-18-2024, 09:15 PM
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3.55 rear gear, fairly heavy car, OD on top of that. I would go for the extra cubes and the torque that goes with it. As Steve mentioned, a set of "ported" 670 cylinder heads could mean anything from a loss of 40 HP, to a gain of 80 or so HP. That is a pure guess without flow sheets and a good idea about the person or shop that did the work. "Just making iron shiny doesn't gain you anything." A quote from Joe Mondello, one of the best. RIP.
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