Chrankshaft orginal or a milled one

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This topic contains 8 reacties, has 5 deelnemers, and was last updated by frandecool 17 years, 1 month geleden.

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  • #144123

    frandecool
    Topic starter
    Berichten: 43

    Hallo there.

    Should i use a orginal chrankshaft or a miled one for the polinie evolution engine???:con

    #145330

    November Rain
    Bijdrager
    Berichten: 535

    dunno what “miled” is but you need the one that fills te most space in your engine. This way the pressure is the highest which results in better performance

    #145331

    frandecool
    Topic starter
    Berichten: 43

    This is what i mean.

    http://vespa-ciao.nl/page.php?id=21

    Look under how to`s

    #145333

    FonS
    Bijdrager
    Berichten: 5136

    you mean: an original or milled (=gefreesde) crankshaft.

    because the Evo Engine works with a membrane (?) intake, you need one like this : link JMPB parts

    :! you can use an original crank just as well, but there will be somewhat loss in performance.

    :! there won’t be any, or at least not much, difference between an original crank or a milled one, because the crankshaft is not a part of the intake system, like it is on an original engine 😉

    #145334

    frandecool
    Topic starter
    Berichten: 43

    I think i will try whit the orginal because 139 euro is a lot of money:'(

    How much do you think i wil lose.

    #145335

    TimoO_
    Donateur
    Berichten: 3977

    somebody on this site has got that crankshaft for sale, if it’s still there. he asks 99 euros I think. but i think it’s a 12mm one. so you need a 12mm piston too.

    #145336

    frandecool
    Topic starter
    Berichten: 43

    Yea thats fine but i need it now :lol
    And my new cylinder kit piston whit a 10mm

    #145337

    hansieb
    Moderator
    Berichten: 10948

    Try it with an orginal crankshaft.

    Its better to drive with 1 filled up one because that will get you the best performance.

    #145338

    frandecool
    Topic starter
    Berichten: 43

    Thanks Hansieb iwill try that first,and if it dosent work i buy the racing chrankshaft:)

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