[s-cars] Boost leak - update, what am I missing here?
cody at 5000tq.com
cody at 5000tq.com
Sat Apr 21 22:41:54 EDT 2007
Quoting Mike Claire <mike.claire at gmail.com>:
> Yes, on test #4 I removed the input line from the wastegate. And I expected
> unlimited boost and all I got was the same old 15 or 16 lbs.
>
> My conclusion was the same as yours - I must have a massive leak or a bad
> turbo.
With that configuartion though such a massive leak is almost certainly
going to be audible and should be faily easy to see with the naked
eye, unless its in a very odd spot.
>
> Next test will be removing the samco from the turbo outlet, finding a plug
> that I can put a compressor quick connect on, and pumping 25 lbs into it.
>
While you are in there you should pull the turbo inlet hose also and
have a look and feel. In case you aren't aware you are looking for
very very slight radial play (like a few thousandths of an inch), and
imperceptible to zero axial play.
-Cody Forbes
http://www.5000tq.com
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