Im an indecisive guy, input swap vs boost.

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  • Kozworth
    E30 Fanatic
    • May 2011
    • 1339

    #31
    Originally posted by Farbin Kaiber
    Swap now, boost when that gets boring.
    I would do this, but from what ive read the m50 does not really give that much gains hp/torque wise (mostly just newer technology and 'reliability.. I dont mind the m20 its reliable and easy enought to work on).

    If I could find one, i would do an m30 swap but the issue is finding one that isnt overpriced or local..

    I came across this site a while ago..
    BMW E30 engine swap options compared: from M42 and M20 to M50, S50, M60 V8 and more - power figures and what each swap involves.


    And I noticed that the 2.7 eta based stroker seemed to yeild a lot more torque and hp.. but when I googled I found a dyno that said it hit 150whp. So I do not know what to believe, because last time I thought that my m20b25 was atleast 160whp with the chip.

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