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Exhaust manifold modifications S90-V90

posted by  someone claiming to be Peter on  Tue Mar 20 09:15 CST 2018 [RELATED]

Does bmw make a exhaust manifold that fits a b6304f that improves performance








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    Exhaust manifold modifications S90-V90

    posted by  kittysgreyvolvo on  Fri Mar 23 11:22 CST 2018
    Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
    last visit: Sat Oct 18 15:23 CST 2014
    [RELATED]

    On Turbobricks, the factory exhaust manifold for the whiteblock B6304 is berated for inefficiency. A surprise to me.

    The factory manifolds on the Volvo redblock (ovh and ohc) are quite good, balanced, and quiet. Though performance minded may replace the hefty cast iron alloy exhaust manifold like that on 240 with 4 banger redblock.

    You can use the search feature here and check the performance and maintenance forums in Turbobricks.

    A cursory glance suggests others have considered this using BMW manifolds as well as aftermarket for BMW modified to fit the I-6 whiteblock engine in 960-90 series.

    the bmw m50/m52/b6304 header conundrum
    http://www.turbobricks.org/forums/showthread.php?t=167190

    Volvo v90 Performance Tuning
    https://www.matthewsvolvosite.com/forums/viewtopic.php?t=73980

    You may also want to consult the various Volvo 960/90 and the large Turbobricks facebook group pages:

    TurboBricks (7k+ members)
    https://www.facebook.com/groups/2204727570/

    Though not much in the way of 960/90 pages or groups on the face-space-toob-book.

    Hope that helps you.
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