[200q20v] how to build an intake pressure tester(20vt)

Mike Miller mikemilr at blackfoot.net
Sun Aug 27 18:32:04 EDT 2000

Yours sounds pretty simple.

Here's pics of the one I built a few years ago.


mike miller
boosting it in montana and VERY thankful for the motorist that flashed his
lights at me yesterday as I was rounding a curve in the tripple digits with
a REO sitting around the corner.

----- Original Message -----
From: "Brett Dikeman" <quattro at pdikeman.ne.mediaone.net>
To: <quattro at audifans.com>; <200q20v at audifans.com>
Sent: Sunday, August 27, 2000 1:32 AM
Subject: [200q20v] how to build an intake pressure tester(20vt)

: In a burst of inventiveness, I measured the diameter of the intake
: hose on my 200q20v(other cars with maf sensors probably use the same
: diameter.)  I then when rummaging through the kitchen drawer  with my
: ruler and discovered to my great joy that a common household item
: fits this hose -perfectly-.
: It is a rubbermaid 1-cup "servin saver" container.  I had originally
: thought the top of the container would fit, but it was too wide and
: wouldn't fit; I flipped it around and discovered the base of the
: container is -perfect-; it's even beveled to make fitting it a
: breeze.  Pop it on, tighten the clamp, you're done.
: To make your very own intake system tester, just install a compressor
: nipple in a container you went and PURCHASED rather than stealing
: from the kitchen(whereas I can escape my mother's wrath by fleeing
: back to NY, I suspect those married individuals on the list do not
: have such a luxury :-)  I think I've also heard of people installing
: tire stem valves(for trucks tires, I think.)
: And, as I believe Chris Miller pointed out on the 200 list, be sure
: you don't do anything foolish like pressurize the system above the
: limits of the ECU's pressure sensor; 2 bar in the case of a stock
: 200q20v ecu, 2.5 bar in most modified units.  Now, just pressurize
: the intake system with a compressor(if you have a setup with a tank,
: that will probably make listening for leaks easier; one good reason
: to go this route and not do a tire stem.)  You may want to purchase a
: very cheap low-range pressure gauge(boost gauge from parts-r-us or
: something), drill a hole in the side of the container, and
: install...so that you can make sure you don't exceed a safe pressure,
: and you can watch to see how fast the pressure drops.
: Brett
: --
: ----
: Brett Dikeman Systems Engineer
: CFN(formerly iClick, Inc) 914-872-8043
: 120 Bloomingdale Rd. 914-872-8100(fax)
: White Plains, NY 10605 http://www.iclick.com
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