By pass valve on an 88 5kcstq - update

["Lewis, Gary M" <Gary.Lewis@West.Boeing.com>]

I said;

> I installed a Samco sport TB hose and the generic Bosch 944 bypass valve
> (BPV) this weekend.  And I'm having troubles.
> 
snip

> I can hear a whoosh,
> 
Hello, serious hint here, Gary...

> 2. I have a vacuum leak under boost other than the BPV, like TB hose, 
> 
Yes I do...
I ran some tests on the car at lunch today.  The vacuum leak was at the TB
hose.  I've got it corrected.  

However, I'm not real impressed with the bypass valve.  The boost is still
lagging about 200-300 rpm later than before the addition of the BPV, and I'm
wondering if it is a result of adding turbulence/loss of efficient airflow
via the 2 connections for the BPV.  Kind of like adding the BPV vs. less
airflow efficiency equation.  Spool up after shifts seem a little better,
but don't seem to worth the loss of initial spoolup.  However, I wonder if
the BPV will help a K26 equipped car moreso than a K24.  I have the 86
5kcstqw, so I will put all this stuff on that car and do some more tests.  I
will also return the 88 to the way it was, and test it as well.  I am also
going to hook the BPV up to the IC outlet plug on the 88 5kcstq and see how
that performs.  Details will be forthcoming...
Thanks to all who responded,

Gary Lewis 
88 5kcstq 1.8 bar 110km Pearl w/Fuchs, K24 turbo, 2-piece EM
86 5kcstqw Sapphire and Platinum, stock 
TransGlobal Financial  (818) 384-7600
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