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compresion ratio? What pistons should i order?

Discussion in 'Forced Induction' started by smooth_criminal, Oct 31, 2005.

  1. smooth_criminal

    smooth_criminal Senior Member

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    OK well i'm trying to have my wiesco pistons ordered before the day is over. Can What set should i go with.
    This will be on for my LS with 18g turbo.

    k541m81 will yield 8.3-8.6
    K542m81 will yield 9.3-9.8
     
  2. pissedoffsol

    pissedoffsol RETIRED

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    go with the 42's.

    8's are way too low
     
  3. reikoshea

    reikoshea HS Troll...And Mod Moderator VIP

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  4. hotrex

    hotrex Senior Member

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    best comp level is anywhere in the mid to low 9's id say, although i am guilty of 8.5:1 compression in my new built b16a....
     
  5. reikoshea

    reikoshea HS Troll...And Mod Moderator VIP

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    well use what you can get, but if you have the choice and the money to back up your choice...id go for the 9.5
     
  6. evosol

    evosol Junior Member

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    I didn't notice a significant difference when going from 9.8:1 CR to 8:1 CR on my ghetto low comp build.
     
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