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Thread: Guys having a nite mare advise greatfully recieved

  1. #1
    Spanner Monkey sidewaysbo's Avatar

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    Guys having a nite mare advise greatfully recieved

    Hi am running mbe ignition only it has a blue wire coming out which is rev counter can some one please tell me do i need a vdo type rev counter ? Will any aftermarket rev countr be ok
    the only way to go is sideways an thats in wheelchair

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    Racer

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    Re: Guys having a nite mare advise greatfully recieved

    What rev counter are you trying to use? Normally if its an old style tach that got its signal from the points then I fix is sometimes to run that blue wire through a relay coil and then to the tach input - other wires to tach are normally 12v ign live and a good chassis earth. There are signal conditioning 'boxes' that replicate the above - Emerald do one.

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    Mechanic

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    Re: Guys having a nite mare advise greatfully recieved

    If it has a wire for the rev counter...presumably you connect this to the rev counter ?

    Or can you explain the problem better ?
    9.85 @ 145mph 202mph standing mile

    https://www.youtube.com/watch?v=Ss_c7fML3rw

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    Spanner Monkey

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    Re: Guys having a nite mare advise greatfully recieved

    A tacho marked on the face with letters rvc should work withe MBE if it's marked RVI it won't as that's for points style ign system. If your particular on type of rev counter used the likes of mgb/ triumph dolomite will work. An old RVI can be converted as stated to work.

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