e36 uk spec lsd ratios and fitment? - Page 2

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  1. E36 Limited Slip Diff 
    #11
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    DNAudus's Car Details
    Model of Car:
    323i
    Year of Manufacture:
    1998
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    Hi all, I know it's been a few years since the last post but this seemed to match my question the best.

    I have a 1998 E36 323i as a track car and, as the inner wheel keeps spinning up and slowing my exit out of tight corners, I found a 1995 328is Auto with LSD and was planning on swapping the diffs between the two cars. At the time I bought the 328iS a few people had said that it will fit fine and the difference between the ratios will be negligible.

    I now believe that the speedometer reads from the differential so if the difference in ratios between the 323i and the 328iS Auto is significant how will it affect the speedometers and can I have them recalibrated? Both cars have to remain road legal.

    Ideally I'd prefer better acceleration and a lower top speed (as I generally only get the car to 130mph on some of the fastest tracks). Will the Auto's LSD effectively make my gearing longer than it was previously?

    I hope someone can help.

    Cheers,
    Damian.
     
     

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    #12
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    danidge's Car Details
    Model of Car:
    E36 323i + cbr1000rr
    Year of Manufacture:
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    do you know what ratio the new diff is? the higher the number the more acceleration but less top end.
    the manual 323 328 ratio is 2.93 but i expect an auto diff to be higher.
    regardless of the ration the speedo will always be correct as its measured from the last point (diff).
    the only thing that will effect your speedo will be the wheels and tyres you are running.
     
     

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    DNAudus (25-11-2013)

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    #13
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    danidge's Car Details
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    ok so the 328i Auto ratio appears to be 3.07 so you will get slightly more acceleration. although the ratio differance is quite small so the actual lsd side of it will probably be more noticeable than the ratio.
     
     

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    DNAudus (25-11-2013)

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