Phase 8: Turbocharging The Rear Engine 
A close-up of the turbo.
A close-up of the turbo.
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A custom support bracket that will support the turbo by bracing it against the gearbox.
A custom support bracket that will support the turbo by bracing it against the gearbox.
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With the standard exhaust back on, it was time to mount the VEMS WBO2+EGT system. Picture shows the hole for the wideband lambda sensor.
With the standard exhaust back on, it was time to mount the VEMS WBO2+EGT system. Picture shows the hole for the wideband lambda sensor.
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And also the hole for the exhaust gas temperature (EGT) sensor.
And also the hole for the exhaust gas temperature (EGT) sensor.
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Welding the bosses on.
Welding the bosses on.
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...
...
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Done.
Done.
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The rear engine bay looks a bit empty without the turbocharger now.
The rear engine bay looks a bit empty without the turbocharger now.
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Wideband lambda sensor screwed into the downpipe.
Wideband lambda sensor screwed into the downpipe.
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EGT sensor screwed into the downpipe as well :-).
EGT sensor screwed into the downpipe as well :-).
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Routing the wiring towards the front of the car...
Routing the wiring towards the front of the car...
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...and inside the cabin.
...and inside the cabin.
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With power applied, the gauge lit up and started reading out fuel residuals and ambiental temperature present in the downpipe :-).
With power applied, the gauge lit up and started reading out fuel residuals and ambiental temperature present in the downpipe :-).
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Engine started up - and it works! Giving out proper values now. Cool!
Engine started up - and it works! Giving out proper values now. Cool!
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The gauge is communicating with my laptop without probs. Downloading (or uploading, depends on how you look at it) the latest firmware into the gauge.
The gauge is communicating with my laptop without probs. Downloading (or uploading, depends on how you look at it) the latest firmware into the gauge.
Viewed: 1236 times.

MegaTune 2.25 with VEMS WBO2+EGT config - realtime output from the gauge. We can now drive around and log AFR and EGT values of the engine, running on standard Bosch Motronic 1.3 ECU.
MegaTune 2.25 with VEMS WBO2+EGT config - realtime output from the gauge. We can now drive around and log AFR and EGT values of the engine, running on standard Bosch Motronic 1.3 ECU.
Viewed: 1896 times.

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