[T3] Giving up Stock FI

[Keith Park]

Thanks, Ill use this for reference if I start down this road...
sounds like not too bumpy a road.

Topnotch Restorations
topnotch at nycap.rr.com
http://www.topnotchresto.com
71 Squareback  "Hothe"
65 Notchback  "El Baja Rojo"
93 RX7  "Redstur"
95 Chrysler Cirrus Lxi "Cirfogsalot"
"hanging out at the tail end of the bell
curve, and loving every minute of it!" 

-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Max Welton
Sent: Saturday, December 22, 2018 6:01 PM
To: type3 at vwtype3.org
Subject: Re: [T3] Giving up Stock FI

I used some stock Type-3 stuff hardware. The manifolds and TB are stock
type-3 except that I fitted the TB for a 3-wire TPS and an open-element
temp sensor.

With the exception of the ECU the components I used are all easily got.

TPS is a Bosch 0 280 122 001. The CLT sensor a common GM closed element
unit I got from DIYAutoTune. The IAT sensor is just the open-element
version of the same sensor.

The Fuel pump is just an Airtex E2000 unit.

The injectors are from a 1997 Ford Escort 2.0 liter. You can still get then
re-manufactured. The connectors for these are very common.

https://www.autopartswarehouse.com/ford-parts/ford-escort-parts/escort-fuel-
injector/2001

The FPR is a boost adjustable thing from MSD I have plumbed into into the
MAP. https://www.summitracing.com/parts/MSD-2222/

I am using an in-line wideband controller from AEM with a Bosch 9.9 sensor.
And yes, closed loop is the only way to go AFAIC.

https://www.aemelectronics.com/products/wideband-uego-air-fuel-controllers/x
-series-inline-wideband-uego-afr-controller

I have had a WB sensor go bad on me. My fuel-map was good enough that I
just disabled the closed loop feature with an app on my tablet and drove
home open-loop.

Now the ECU itself would be a problem if it failed out on the road. I
started with an assembled MS-2 from DYI AutoTune, but when I got rid of the
distributor I had the ECU modified for crank-trigger by Vario Velotta up at
the Dub Shop. So, the fact that I didn't do any of that work myself
probably makes it less likely I would  have issues with it. But it
certainly isn't something I could walk into a random FLAPs and order. Those
who are more electrically fluent might have a shot at fixing it. Not me.

Max
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