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Question about .030 bore

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Stomp, Mar 16, 2002.

  1. Stomp

    Stomp 1/2 ton status

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    I block is .030 over. I want piston rings that are .030 oversized and standard pistons or standard size rings and .030 pistons?? I'm a little confused.
     
  2. m j

    m j 1/2 ton status

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    .030 pistons and .030 rings
     
  3. Stomp

    Stomp 1/2 ton status

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    so I want both .030 over pistons and .030 rings.

    Thanks
     
  4. m j

    m j 1/2 ton status

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    yes
     
  5. reddog64

    reddog64 1/2 ton status

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    Kinda confusine.. but you cant put standard rings on a .030 over piston can you... so you will need both to be .030 over...

    Confused me the first time i had to think about it a long time ago too...
     
  6. Blazer_Boy

    Blazer_Boy 1/2 ton status

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    The .030 has a bigger diameter too. If you put a standard size ring on it would have a wider end gap. Imagine you have a ring that will fit on your pinky, if you try to slide it on your index finger, its not going to fit, you need a bigger ring.
     

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