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Thread: Walkinshaw 557

  1. #81
    Join Date
    Feb 2014
    Posts
    4,620
    Just asked one of our regular Walkinshaw shops that buys our parts.
    The boost pressure is about 11.5-12psi.
    Maximum recommended "safe" blower rpm is 23,000rpm which is about 36% this is from Lingenfelter who've dealt with the LSA for a very long time

    2014 HSV GenF-GTS fitted with a Forced Induction Interchiller
    http://www.facebook.com/ForcedInductionInterchillers
    Australia's outright Fastest VF GTS & Fastest 6.2L 1900LSA with a stock bottom end
    9.700 @145.22mph 21/June/2017
    V-Box Results 0-100km/h in 2.47sec

    Looking for colder IAT's? we have achieved 11c IAT2 on a 41c day and -8c during winter.
    We have proven cabin AC vent temps are better than GM spec, both IAT2's and vent temps are all on video with nothing to hide.

  2. #82
    Join Date
    Nov 2011
    Location
    North West NSW
    Posts
    295
    I was informed the W507 kit runs at 11.5 psi. With the cam upgrade Im told it drops to below a average of less than 10 psi.
    Previous 2011 MY 12 VE R8 Maloo -Perfect Blue
    Current 2013 VF GTS W507 - Herron White

  3. #83
    Join Date
    Feb 2014
    Posts
    4,620
    Quote Originally Posted by sdtash View Post
    I was informed the W507 kit runs at 11.5 psi. With the cam upgrade Im told it drops to below a average of less than 10 psi.
    Certainly possible to lower the boost via the camshaft, but the Walkinshaw dealer I sell blower plates and reservoirs too on a weekly basis told me the above when we spoke today...

    2014 HSV GenF-GTS fitted with a Forced Induction Interchiller
    http://www.facebook.com/ForcedInductionInterchillers
    Australia's outright Fastest VF GTS & Fastest 6.2L 1900LSA with a stock bottom end
    9.700 @145.22mph 21/June/2017
    V-Box Results 0-100km/h in 2.47sec

    Looking for colder IAT's? we have achieved 11c IAT2 on a 41c day and -8c during winter.
    We have proven cabin AC vent temps are better than GM spec, both IAT2's and vent temps are all on video with nothing to hide.







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