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  1. #1
    Reborn !@#$%'s Avatar
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    low comp pistons here

    for those ep lovers going for boost and want a little bit lower comp ratio JE pistons offers a 9.0:1 setup for the rsx-s. the bore and stroke are the same as the si. [displacement] (although some milling will probably be required anyway) i'm pretty sure we could use the same application pistons as the rsx-s be it higher or lower compression.

    what are the gear heads' thoughts on this? :)

    JE 9.0:1 pistons

  2. #2
    FailureToStart
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    The RSX-S is satisfyingly powerful enough for my tastes...bringing it to that low of compression would probably make it -45 hp before the turbo gets on there.

  3. #3
    ephatch member 02SilverSiHB's Avatar
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    sounds good to me. That would be a safe compression for boost.
    Oh and I can't imagine who in their right mind would put low compression pistons in an engine that doesn't have a turbo Some people are just plain...well...stupid
    Last edited by 02SilverSiHB; 05-06-2003 at 10:01 PM.

  4. #4
    FailureToStart
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    Originally posted by 02SilverSiHB
    Some people are just plan...well...stupid
    "plan"...did you mean to say plain? Who you callin' stupid?

  5. #5
    frank and beans! chunky's Avatar
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    Re: low comp pistons here

    Originally posted by !@#$%
    for those ep lovers going for boost and want a little bit lower comp ratio JE pistons offers a 9.0:1 setup for the rsx-s. the bore and stroke are the same as the si. [displacement] (although some milling will probably be required anyway) i'm pretty sure we could use the same application pistons as the rsx-s be it higher or lower compression.

    what are the gear heads' thoughts on this? :)

    JE 9.0:1 pistons
    why would milling be required? Do they say that one the JE site?

    The pistons should be a direct swap.

  6. #6
    Reborn !@#$%'s Avatar
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    i wasnt sure about the milling....i figured that since they are aftermarket they wont be 100% the same. To be honest i don't even know. I'm still trying to learn more on the issue. :)

  7. #7
    frank and beans! chunky's Avatar
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    Originally posted by !@#$%
    i wasnt sure about the milling....i figured that since they are aftermarket they wont be 100% the same. To be honest i don't even know. I'm still trying to learn more on the issue. :)
    pistons are usually pretty precisely made items.

    The K20a blocks all have the same piston dimensions, the rods are all the same length, and the cranks are practically identical. The type-s does have beefier rods, but the rod thickness @ the wrist pin should be the same between the type-s rods and the ep3 rods. And if it's not, you could always just get the type-s rods. Hell, if you're dropping the compression with new pistons, you'd probably wanna go ahead and get forged rods while it's all taken apart anyhow.

  8. #8
    ephatch member 02SilverSiHB's Avatar
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    Originally posted by FailureToStart


    "plan"...did you mean to say plain? Who you callin' stupid?
    you got me on that typo

  9. #9
    Honorary Member CSMsi311's Avatar
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    Originally posted by 02SilverSiHB

    you got me on that typo
    he is good at catching those typos.

    FailuretoStart: When are you gonna start a thread about your forced conduction idea? i'm still waiting. Finals are almost over so I would be glad to straighten out your misconceptions.

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