Boost leak test results q&a

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  • Fat Audi 80
    Super Moderator
    • Jan 2004
    • 10547
    • Country: England

    #16
    Originally posted by s2driveruk
    yes, how my car ever made any boost on the RR day is beyond me with the trail of leaks...ended up being WGFV split, crack in the IM and a split in the plastic elbow pipe going into the MAF-Turbo hose.
    Is that all?
    The Perfectionist
    sigpic
    Audi Class Concours winner Stoner Park 2014, ADI Concours D'Elegance Class Winner 2008, Runner up 2014. Winner, S2Forum Show'n'Shine Billing 2006 & 2008.

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    • 20Vcqdriver
      S2Forum Maniac
      • Jun 2007
      • 829
      • Country: United Kingdom

      #17
      Out of interest how much of a leak would make a difference on the gauge and to performance. Pin hole or 10mm split in vac hose or bigger..... Just replaced the one way valve in the pipe from inlet to crankcase pipework as was passing slightly on boost....
      Just interested as the indicated pressure has always been down 0.1 bar on what a homefry should be so hoping this valve is the reason...
      1986 Coupe q - 2281cc 3B, chargecooler, 2.75" exh & downpipe, ported head, water injection, CGR box, modified MD357 turbo, 440cc injectors, high power coil.
      2004 A4 2.5TDi convertible, re-mapped to 180bhp
      2011 A5 sportback 3TDi-Backbox delete, remap

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