THE VR6 ENGINE
Cool link about the VR6 Engine and W engines
Look at the crank and note that it's an even fire V6
- The VR6 Head, Notice that its FLAT
- Now the cool part , TURBO
- INFORMATION ON THE VW VR6 ENGINE
Volkswagen has developed a new six-cylinder engine called the VR-6. This 2.8-liter engine is unique in that the V-angle between cylinder banks is 15° rather than the 60° or 90° found in most conventional V-6 engine designs.
The engine features a cast-iron crankcase, one light alloy crossflow cylinder head with two valves per cylinder operated by chain-driven overhead camshafts.
(are you sure? looks like counterflow... anyway, installing the turbo will take some work)
( Yes it is crossflow...air goes in by the front and comes out by the back... dont be fooled by the
intake that starts out back and goes over the head...)
All fuel and ignition requirements of the VR-6 engine are controlled
by the Bosch Motronic M2.9 Engine Management System.
This Engine Management System features an air mass sensor, dual knock
sensors for cylinder-selective ignition knock regulation, and Lambda
Exhaust gases are channeled through a 3-way catalytic converter.
Engine code: AAA
Design: Four-stroke, internal combustion engine in "Vee"/in-line
Displacement: 2.8 liter
Bore diameter: 81.0 mm
Stroke: 90.0 mm
"Vee" angle: 15°
Compression ratio: 10:1
Fuel and ignition systems: Bosch Motronic M2.9
Emission control: Lambda control with catalytic converter
The name, VR-6 come from a combination of Vee and the German word
Reihenmotor. The combination of the two can be roughly translated
as "in-line Vee."
Volkswagen has designed the 15° VR-6 to take advantage of
conventional in-line six-cylinder engine features (single cylinder
head, narrow width and excellent balancing) with the advantages
of a V-6 engine design (short overall length and compactness).
The VR-6 was specifically designed for transverse installation
in front-wheel-drive vehicles. By using the narrow 15° VR-6 engine,
it was possible to install a six-cylinder engine in existing
V-6 Conventional Design
A wider V-6 engine of conventional design would have required
lengthening existing vehicles to provide enough crumple zone
between the front of the vehicle and the engine, and between
the engine and the passenger cell.
Using the narrow VR-6 engine will help Volkswagen meet current
and future front-end crash standards.