Subject: Turbo failure Borg Warner TO4
From: ACRE
Date: 11/3/2004, 1:52 AM


     > > > "Brian D. Cain" wrote:
     > > > >
     > > > > Hi guys, I spent a few hours tonight constructing some ss-braided feed
     > > and
     > > > > drain
     > > > > lines for the mock-up of this Borg Warner TO4 turbocharger. The oil
     > > feed
     > > > > line is
     > > > > a -4AN setup including a metric to AN adaptor (M12x1.50 to -4AN) that
     > > > > threads
     > > > > into the front end plate of the engine where the old turbo oil feed
     > > banjo
     > > > > fitting goes.
     > > > > The oil drain line is a -12AN setup (yes, very large) with a pair of
     > > 1/2"NPT
     > > > > to -12AN
     > > > > adaptors threadded into a pair of machined aluminum turbo drain flanges
     > > > > available
     > > > > on eBay (Vecco Performance I believe machines these).
     > > > >
     > > > > The exhaust manifold being used is the HKS undivided cast iron manifold
     > > for
     > > > > T4-style
     > > > > turbochargers. Price is about $250. Although I don't believe that
     > > > > particular manifold
     > > > > is the best choice for you airborne guys, the pictures should be able to
     > > > > display enough
     > > > > of what it takes to mount the turbocharger to the 13B as well as give
     > > you a
     > > > > rough idea
     > > > > of its size with respect to the engine, what kind of room is needed, how
     > > the
     > > > > lines are
     > > > > built, etc.
     > > > >
     > > > > B


       Brian,

           Just out of curiosity what is the numbers of that TO4 in the photos? A/R

     ratio of turbine hsg , compressor trim ,etc.



     Kelly Troyer


 
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