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13.5:1 compression heads

This is a discussion on 13.5:1 compression heads within the Internal Engine forums, part of the LSx Technical Help Section category; does anybody know any companies that make 13.5:1 compression heads?...

  1. #1
    BAYLS1
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    13.5:1 compression heads

    does anybody know any companies that make 13.5:1 compression heads?

  2. #2
    Junior Member
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    Black
    2000-T/A Ram air ws6

    ETP does I have a set of their race heads..

  3. #3
    Junior Member
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    Black
    2000-T/A Ram air ws6

    Here are my flow #'s --They are the 265 cc intake runnners

    Here are your flow numbers off our bench:


    Lift -----Intake-----Exhaust----Exhaust with pipe

    .100-------71--------- 59----------60
    .200------145---------110---------115
    .300------223---------153---------165
    .400------281---------200---------218
    .500------320---------222---------242
    .550------337---------228---------251
    .600------351---------235---------255
    .650------361---------237---------260
    .700------365---------240---------263
    .750------367---------242---------270

  4. #4
    BAYLS1
    Guest
    nice, thanks a lot.


    how do you like those heads, and what octane gas are you running with the 13.5:1 compression ratio

  5. #5
    Junior Member
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    Black
    2000-T/A Ram air ws6

    I ended upwith 13.8 to 1 final compression. I'm runnning Vp116 fuel

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