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Crossflow competition exhuast design

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Suttonmotorsport
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2010/10/14 20:48:50 (permalink)
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Crossflow competition exhuast design

Hi All,

As the topic suggests, I am looking for diamensions and lengths for a competition exhuast manifold for a crossflow kent in a rally car.

Engine spec's are:
11.2:1 C/R
Steel crank and pulley
Steel rods
Forged pistons
Ported and polished big valve head inlet's 40mm ex 35mm
ARP bolts through out
R1 motorbike carbies
Electronic ignition
244 style cam grind
Lightened flywheel
C/R S/C 4 speed box

Not that concerned with low down torque (although helpful!!)
as this engine will rev to 7500rpm at least.

Any help with tried and tested designs would be appreciated.
Possibly MASS or Tony law style but to name a few?
Thanks
Craig
#1


3 Replies Related Threads
    kestrel
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    RE: Crossflow competition exhuast design 2010/03/12 00:16:56 (permalink)
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    Am fortunate to have a set of Roger Carrols extractors off his personal racing crossflow -very very noice. He would certainly be worth talking to re: design. But he is in Adelaide.
    #2
    Suttonmotorsport
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    RE: Crossflow competition exhuast design 2010/03/12 20:12:25 (permalink)
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    Would you be able to provide his contact details?

    Thanks
    Craig
    #3

    kestrel
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    RE: Crossflow competition exhuast design 2010/03/12 23:28:20 (permalink)
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    Yep, mbl 0408 804 795
    #4
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