School me on SS427s!

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------Paul,,,L68 in the 67 Corvette world is the 400hp upgrade on the 390hp motor. That would have been an interesting combo in a big body. Tons of torque!!! The comments on 427/425 Vettes are on the mark in reference to acceleration, but I can tell you that I have driven many 66 427/390 Vettes that could stay up with all but the best tuned 425s. I think it revolves around the somewhat temperamental attitude of a 425, and the abundant torque down low of a 390..........Bill S