[s-cars] Boost Gauge Install

[Sean Douglas]

Brian:

I recommend tapping in at the moisture trap at the firewall rather than
the by the ECU. Its much easier to route the tubing from there through a
grommet on the firewall in the driver's footwell and up to the A-pillar.

The T-connector you need has 2 barbs on each end and a threaded NPT in
the middle to match the autometer tubing kit. I think you also need a
male-to-male NPT adapter as well. I bought my t-connector from McMaster
Carr, but you need to buy a minimum of 10.

McMaster also sells nice clamshell screw clamps made of stainless steel
in various sizes. Much better than a radiator gear clamp. Or if you want
to be fancy and OEM, use the crimp-on style made by Oetiker.

The moisture trap is behind the black plastic cover on the firewall,
follow the rubber tubing from the fuel pressure regulator.

Sean D.

> -----Original Message-----
> From: s-car-list-bounces at audifans.com 
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Brian Armstead
> Sent: Tuesday, February 21, 2006 7:14 AM
> To: S-Car
> Subject: [s-cars] Boost Gauge Install
> 
> 
> All,
> 
> Bob Myers is working his MRC magic on my ECU, and I thought 
> this would be the ideal time to install a pillar mounted boost gauge.
> 
> Jerry Scott was kind enough to send me a guide on 
> installation, but I have just a few more questions:
> 
> *Jerry spoke of a brass t-connector from the ECU to the gauge line. 
> I've been looking in local auto parts stores, but can't find 
> one.  Any source leads?
> 
> *The Autometer mechanical gauge lists a connector I should 
> use from the nylon boost line to the gauge.  Can anyone tell 
> me exactly what I should use (It did not come with the kit)?
> 
> *Is it ok to use small screw clamps on the rubber hose that 
> connects to the ECU?  I had to cut off the factory crimp to 
> remove the ECU.  Is there a source for "pro" clamps?  What size?
> 
> *Bob's got me a bit worried as he told me I should have a 
> water trap on my boost line.  My car is a 93, but I don't see 
> one.  Anyone know where it may be hiding?
> 
> *What's the easiest path to route the boost tubing form the 
> ECU to the driver's A-Pillar?
> 
> Thanks in advance,
> 
> Brian
> 93 S4
> Soon to be super-boosted!! 
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