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The Power and the Brains...

V10 Turbo Diesel VW Touareg


Ten-cylinder diesels

4.9 V10 20V TDI PD 230kW


    Engine code: AJS

Engine Configuration & Engine Displacement

   90° V10 engine, Turbocharged Direct Injection (TDI) turbodiesel; 4,921 cc (300.3 cu in); bore x stroke: 81.0 mm × 95.5 mm (3.19 in × 3.76 in), 492.1 cc per cylinder

DIN-rated power & torque output, ID code

   230 kW (313 PS; 308 bhp) at 3,750 rpm - 46.7 kW (63.5 PS; 62.6 bhp) per liter; 750 N⋅m (553 lbf⋅ft) at 2,000 rpm


Volkswagen Touareg V10 TDI (2002-2008)

Volkswagen Phaeton V10 TDI 4motion (2003-2007)

The wiring harness coming out 
The one going in...

Less noise, less mess, more winning.


Battery cutoff 
central ground bus


Oil Flow:

This engine has a four stage internal oil pump. Two stages for pressure outlet going to each bank, and two stages for scavenge inlet coming from each turbo.

The funky 3 hole flange is cast into the turbo flange and is where the oil from the turbo drains and the oil pump scavenge inlet. I'm swapping the small twin turbos to a single 66mm BorgWarner turbo, only 1 drain.


The second turbo pressure and scavenge ports will be plumbed to an oil cooler, reservoir, then back to scavenge inlet via these -12AN fittings I fabricated. They bolt on where the turbos used to fit. In typical VW fashion, there's 4 bolt holes, but they are symmetrical and only 3 are used on each side. Thanks VW. This should allow oil pressure at odd angles for longer than typical.

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