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Original RS2000 Exhaust Header V extractors

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2019/02/10 19:22:21 (permalink)

Original RS2000 Exhaust Header V extractors

Hi All
Many years ago, I collected a couple of RS2000 exhaust manifolds.  I am now rebuilding my RS2000 and am pondering either a new set of extractors or putting the RS2000 cast manifold onto it.  For reference the RS manifold was a double outlet cast item, from which a set of secondaries would run to under the car before joining to a single pipe.
My engine runs twin IDF's, head work, and a large Ivan Tighe Cam.
Not planning to race it once finished, so a few HP down wont bother me, losing 30% would.  Anyone with experience, I would love to hear it.

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    Re: Original RS2000 Exhaust Header V extractors 2019/02/10 22:53:42 (permalink)
    Those RS headers were made for the grp1 class back in the 70s , grp1 idf's , cam etc , way better than stock but as you say not the best
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    Re: Original RS2000 Exhaust Header V extractors 2019/02/11 16:43:06 (permalink)
    I'm guessing you've got the 'standard' fitment RS2000 cast manifold identical to those on the 25 German mk2's, in which case well designed aftermarket extractors would be better. If however you have the rare/proper gp1 manifold I'd go with that though. Has a bigger bore and designed for the bvh, cam & IDF's.  Looks the goods too and you won't have the problems of welds cracking at the manifold joints like many people suffer from on standard extractors.
    post edited by SFE - 2019/02/12 11:22:49

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