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    #1

    Upping compression

    According to a nifty little L series engine calculator, I can swap L24 (2.4L inline 6) conrods into my L28 (2.8L inline 6) for a decent boost in compression.

    Now this is L series specific, but i am sure there are general rules that some of you experienced engine builders will know?

    I just want to know the realities of this and any downfalls.

    Thanks guys.
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    #2
    The L24 rods are 2.8mm longer than the L28 rods which is a fair wack.As most L series engines have the piston sit around 1mm below the deck at tdc then some sort of machining of the piston would be required.
    Datsun 1600 SR20det 430.4rwhp
    11.0 @ 130mph
    Silvia SR20det
    12.9 @ 109

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      #3
      Why not just get the block decked by a mm or two ?

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        #4
        Yeh, the other option is getting the head or block decked but I have a turbo on the cards and dont want to stuff the motor up for that. Plus I have the relatively rare turbo block and head which I dont really want to butcher.

        I guess I should just decide whether the car will be turbocharged or not from the start and build it that way,

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