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World S/R heads

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ftn96, Jan 18, 2002.

  1. ftn96

    ftn96 1/2 ton status

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    The 87 and later intake style heads seem to be a kick a$$ head for the money and leave way more options for future mods and variations, but they only come in 67cc which puts me on a major search for the right kinda pistons to keep 9.3-1 compression. If these heads are brand new would I be safe to assum that I'd be stupid to have them shaved to give me a 64cc combustion chamber vs. finding pistons that will give me the right compression?? Thats what? About 300 thousandths off the head? That sounds like alot, but they are advertised as being extra thick to prevent cracking, but after shaving them they wouldnt be. [​IMG]

    Still hoping the GOV'T will ban the use of loud stereos with RAP music. [​IMG]
    <a target="_blank" href=http://www.mccords.s5.com/myk5/index.htm>NashvilleK5</a>
     
  2. RaisedK5

    RaisedK5 1/2 ton status

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    well ,lets see i have the Tech info right infront of me, (im probably putting these on this weekend). It says

    Compression: Mill roughly 10cc for each compression point.
    .042" = 6.5cc
    .007/cc

    thats what it says, so if you go by those guidlines milling .020 would cut it from 67cc to 64cc.

    Leland aka RaisedK5

    "The Voices told me to do it!"
    <a target="_blank" href=http://www.coloradok5.com/gallery/albun91>This is what they told me to do</a>
     
  3. ftn96

    ftn96 1/2 ton status

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    ok, so 20 thou. Cool. Thanks for the info. Does $60 per head sound too expensive to have this done?

    Still hoping the GOV'T will ban the use of loud stereos with RAP music. [​IMG]
    <a target="_blank" href=http://www.mccords.s5.com/myk5/index.htm>NashvilleK5</a>
     

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