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J25A pistons compression height for F23 block with F20B crank??

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    #1

    J25A pistons compression height for F23 block with F20B crank??

    J25A has a crazy short stroke of 71.6mm (which implies high domed pistons) the bore is 86mm

    Has anyone measured these pistons?

    I wonder if it would work okay with this setup

    F23A1 block - 86mm bore, 55mm mains
    F20B crank - (98+ with 55mm mains)
    F20B rods -



    heres part #s

    13010-PGE-A01 PISTON SET (STANDARD)
    13010-P8D-J00
    13010-P8E-A00

    13030-PGE-A01 PISTON SET (OS 0.25)
    13030-P8D-J00
    13030-P8E-A00

    13040-P8D-J00 PISTON SET (OS 0.50)
    13040-P8E-A00
    Some know me as the "Tranny Guy"
    Tags: None
    #2
    You are grossly overestimating the availability and affordability of these parts....

    And underestimating the value of displacement.....

    The F20B crank, pistons and rods are over $4,000 alone, not counting shipping from abroad. Not to mention while the F20/22A heads flow well, but for a street car you can't beat DOHC VTEC on the F/H platform.

    Likewise on a street car you can't beat torque. A 9000 RPM F20A is going to be a dog anywhere below 5K, which unless you are a complete lunatic is where you will spend 90&#37; of your time in a street car.

    For probably less than 1/2 the $$$ you can put together a 95mm H22 with Type-S cams that will put down way more power and torque and be better on the street. Put the rest of that money into an LSD.

    Don't build something weird to impress people on the internet... nobody is going to be. Save your $$$.... either get an F20B, or build a big displacement F/H


    Originally posted by lordoja
    im with you on that one bro! aint nothing beat free food and drinks any day of the week, even if its at a funeral

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