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67 impala convertible

  1. big block frame reinforcement?

    Performance
    Hello All, This topic will be directed towards big block 65-70 impala guys. I have a 67 impala convertible with a 454 w/ cast heads, not a performance motor. Do you guys think its recommended to reinforce a stock frame,at least the front? has anyone ran in to issues with the frame twisting or...
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