aftermarket boost gauge

Brett Dikeman brett at
Sat Mar 16 11:37:27 EST 2002

At 11:18 AM -0500 3/16/02, Bryan Foster wrote:
>I am new to the list, a new owner of a '91 200 20V.  I have read some
>info on aftermarket boost gagues.  Seems like people use VDO or Autometer.
>Does anyone know if these gauges come with all the necessary
>hardware/fittings to hook it up?

Not much is needed, just some vacuum line and a t-fitting.  Both are 
a few dollars at Foreign Autopart or similar(they carry euro-style 
vacuum hose for -well- under $1/foot.)

>   Also, do people have a preference for
>tying it into the ECU pressure transducer line or some other
>manifold/turbo line?  What would be the most harmless tie in point if the
>system suddenly developed a leak?  I want to mount the gauge in the
>glovebox for spot checks of boost pressure and troubleshooting.

Remove the passenger side lower kickpanel(one or two screws hidden at 
the bottom in the carpet) and you'll see the ECU.  There's a loop of 
hose; insert your T in there somewhere.

Use small zip-ties or similar to secure the hoses in place.

Many listers then toss the gauge into the glovebox, and ask 
passengers to study the gauge if needed(consensus is that the driver 
should be watching the road, not the gauge, particularly during heavy 

"They that give up essential liberty to obtain temporary
safety deserve neither liberty nor safety." - Ben Franklin

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