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  1. C

    HEI help

    Snoot I am getting some conflicting results online for timing. I am seeing everything from 4° btdc - 12° btdc what would be recommended for my truck?
  2. C

    HEI help

    Thank you for your help. I spent all day working on the blue beast. It's been quite the little project replacing vaccum lines and wires that had been ran next to the exhaust . Hopefully I found everything gonna check the timing and replace plug wires and plugs today. Hopefully that gets her...
  3. C

    HEI help

    Morning everyone I am new to this forum and recently became the new owner of a 1986 GMC Sierra Classic 3500 Dually. The guy I bought this from had started a rebuild on it and never completely finished it the truck starts and runs but alot of electrical things seem to be unfinished/or improperly...

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