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prtl vin doesn't exist

  1. partial vin sbc does not exist

    I decided to start a new topic on a much talked about topic of casting numbers on sbc motors. This is a peculiar number that makes no sense and I'm suspecting It's decked. What were talking about is a 3970010 block, a set of 441 heads, and the only partial vin numbers on it is 4204 44. In the...