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SmallBlock Heads- Are they interchangable?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by unsane, Nov 14, 2002.

  1. unsane

    unsane Guest

    I was wondering which head goes on which side of the motor. What identifying marks would tell you. they are stamped 1 and 2 on the end of each head. Yes I am a dumbarse for not stamping them left and right! Any help would be once again greatly appreciated. Thanks -Eric
     
  2. unsane

    unsane Guest

    any engine guru's that could help me on this?
     
  3. BorregoK5

    BorregoK5 1/2 ton status

    Joined:
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    They are interchangable for the most part. If you don't have a matched pair (same numbers) then you may lack accessory holes for the belt system on the proper side of the engine after install.
     

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