Fw: bypass, boost valve

["Meron" <phwomp@cosmoslink.net>]

----------
> From: Meron <phwomp@cosmoslink.net>
> To: Dave Lawson <dlawson@digitalglobe.com>
> Subject: Re: Macboom -Reply
> Date: Thursday, February 13, 1997 10:08 PM
> 
> >MO, it is a good thing and I will be installing one on my ur-q this
> spring. Igor
> >had a great post a few months ago on how to plumb one into a 10V
5000/200 
> >TQ. And as QSHIPQ stated, the air should be re-circulated to the turbo
> inlet, 
> 
> I recently put in a bypass valve and I agree with Dave, makes a big
> improvement, my Q has" only" 16PSI positive pressure and the addition of
> the valve made it much less "picky", it drives now like a "normal" car
not
> like a snowmobile.
> before I get into the procedure,  here is a small note, the 1.8 also has
a
> boost bypass valve but it is located at "accordion" hose.
> 
> here is a description:
> 1. get the valve from a Bosch dealer (Audi is too spendy), I have the
P.N.
> 
> 2. if you don't have a third opening in your cooler (intercooler), the
> opening is located between the "IN" and ''OUT" of the cooler, here is how
> to add one.
> 
> 3. remove your cooler, very easy 
> 
> 4. remove the plastic end of the cooler (where the "IN" and "OUT"
openings
> are) bend the tabs back
> 
> 5. install a nipple with a flange, the nipple should match the the size
of
> the valve, the nipple's flange should be glued to the cooler and also
> bolted, I did not use a gasket, the glue was enough (must be bolted with
> bolts that go through with a nut)
> 
> 6. the above nipple should be installed where you will see a raised area
on
> the "IN" side of the cooler
> 
> 7. drill through the nipple, now you have a third opening, 
> 
> 8. clean all plastic shavings and reassemble cooler
> 
> 9. connect the valve to the cooler via a short rubber hose (make sure you
> connect the "IN" side of the valve)
> 
> 10. determine of the best position for the valve, no interference, etc.
> find a hose that fit the angles between the valve and the boot metal pipe
> (there are many "funny" coolant hoses you can try, I used a short BMW
hose)
> 
> 11. when you decide where your connecting hose (the 'funny hose") between
> the valve "out" to the metal tube will be, braze a nipple to the metal
tube
> 
> 12. attach the out of the valve to the metal tube via a "curvy" hose (I
> used a BMW hose)
> 
> 13. now your car will run... add an intake vacuum line to valve and
that's
> it, simple isn't it?
> 
> 14. you can make the set-up look very neat, just like factory (maybe
> better), you put the nipple on the metal hose facing down so it looks
very
> OEM
> 
> The valve works great and thanks to Igor for the inspiration, if you have
> any questions (I am sure there will be plenty....) don't hesitate to ask,
I
> will do my best to explain,
> Avi Meron