M50 revving higher then normal

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  • mballn
    Noobie
    • Mar 2014
    • 10

    #1

    M50 revving higher then normal

    Hello E30 Fellas.

    i recently did some work to my M50 because it over heated.

    decided to do cooling system over haul.

    to get to the water return hose i had to take th intake manifold off. while that was off i changed all 6 intake manifold gaskets and throttle body gasket(o-ring). long story short, every thing got mounted back on and the car started right up. now my question is why is it revving 4300RPM @75mph? BTW i didn't touch the LSD. it feels like i got a 3.7LSD

    Help please? i dont know what to do and my car is due for smog test. i don't know if it will pass smog like that.

    Help Please!!!
  • amcink
    Mod Crazy
    • Jan 2012
    • 788

    #2
    Do you know what LSD you got? Have you checked vacuum leaks?

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