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  1. J

    Intake manifold bolts stuck

    I am trying to remove my intake manifold on a 305 out of a 1983 GMC Sierra and I can’t remove two of the bolts for the life of me. There ain’t enough room to get a wrench all the way behind them, and the intake curved in front of them so I can’t get a socket wrench all the way on. I was going to...
  2. J

    Unknown wires

    I swapped my 700r4 transmission and have these wires hanging. Does anyone know what they are to? 1983 gmc sierra classic.
  3. J

    Selector valve 1983 Sierra classic 1500

    The passenger tank doesn’t work on my pickup. I’m going to replace the selector valve. Some of the hoses have been replaced and I wanted to make sure they were done properly before I took it apart. There is on hose that feeds right back into another port. I wanted to make sure that is correct...

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