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  1. Hotrodding Basics
    I've recently bought a low mileage ZZ430 crate motor (s/n 28) and needless to say there was no paperwork with it. Does anyone have a copy of the factory paperwork that would have come with a ZZ430 engine?? I've bought GMPP Crate Motors before and there was always a packet of info with p/n's...
  2. Hotrodding Basics
    383 or zz430 (350) Any opinions?
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