Re: Turbo Boost Reading, Oil Pressure, Noisy Fuel Pump

[Andrew Duane USG/PE <duane@zk3.dec.com>]

Hairy green toads from Mars made William_SWails@mail.amsinc.com say:

>      I just purchased an 89 200 Quattro, and I have a few questions:
>      
>      1)  The turbo boost readings appear to be wrong. At idle it displays 
>      .3-.4 bar, at 4000 RPM it displays .7-.9 bar. I believe the turbo is 
>      working as I feel a substantial increase in torque and acceleration 
>      beginning around 3500 RPM. Any suggestions?

Can't say; Mine is a 100Q.


>      2)  What is normal for oil pressure? When the engine is warm, the oil 
>      pressure gauge reads just a little over 1 bar. When the engine is cold 
>      it sometimes goes to 5 bar.

That sounds about right. At revs, even when warm, it should get to
about 4-4.5 bar.


>      3)  The fuel pump seems excessively noisy. Is this normal?

Excessively? That's a judgement call. If it's loud enough to be
clearly heard in the passenger compartment, it probably needs to
be replaced before it stops working. I did mine 2 years ago.


>      4)  I want to replace the stock audio system with my Alpine CD player, 
>      Dennon amp and Boston Acoustic speakers. Any tips or suggestions to 
>      make this job easier are appreciated.

I just put a new CD head unit in; no amp (already has 20W/channel),
and used the stock speakers. The sound is suprisingly good.

-- 

Andrew L. Duane (JOT-7)			duane@zk3.dec.com
Digital Equipment Corporation		(603)-881-1294
110 Spit Brook Road
M/S ZKO3-3/U14
Nashua, NH    03062-2698

Only my cat shares my opinions, and she's too heavy to care.