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m20 stroker (using m51d25-e36 325td)

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    m20 stroker (using m51d25-e36 325td)

    Hello group ,

    Im new here in r3vlimited, i dont know if i should post directly here or make presentation, if im in the wrong section please admin feel free to redirect me.

    Im Harry, driving a 1973 bmw 2002, m20b25 eurospecs (late model with lambda sensor ) my engine really need a rebuilt (smoking and ticketing) as my gearbox (getrag 250 , too fragile ).
    instead of just rebuilding it in stock form , i was thinking to stroke it using m51d25 , as s52 is not aivalable in this small island, i know a guy in Sweden did it using 130mm rods , stock piston (machine it 14mm ) and m51d25 crank from e36 325turbo diesel, i plan to do the same. my questions are :

    1/ In some website , they said i should deck the block down to 1.1mm , if my calculation is right that will give me 11:1 , perfect but does the decking affect the timing ?

    2/ Which piggyback should i use ?

    3/ Should i use 280degree cam ?

    4/ how much bhp i can expect ?

    5/ I can found a e36 m42 engine for cheap, should i swap , its week end car , but also want to run 13sec quarter miles for next year season.

    thank you
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