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  1. #1
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    M42 turbo manifold

    I'm building a ground up turbo M42 for my e21 and I'm hunting for a turbo exhaust manifold. Any one know of a place that has em? OR I guess my alternative would be to get exhaust flanges and make an equal length turbo manifold



    If I cant this stuff I'm gonna say screw it and drop in the 5.4l v12, and throw the m42 block in the trunk to ballast the engine!


  2. #2
    jax
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    Re: M42 turbo manifold

    i have a m42 im my e21 and that manifold does not exist.
    what i did is got a old header as a doner for the flange to make a log and role manifold for the turbo, if you want to use a larger turbo than t2.5 then you will need to give up A/C and top mount the turbo.

    jax

  3. #3
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    Re: M42 turbo manifold

    I'm putting a T04b .58 .60 trim turbo on it. I dont care about A/C if its too hot out I'll hop in an E38. Stahl makes M42 flanges. so I guess I'm going to have to venture into Equal Length Turbo Header Land...

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