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Volkswagen BJS specs: 3.2L (196.7 ci) 6-cylinder, 84 x 95.9 mm (3.3071 x 3.7756 in) bore and stroke, 11.3:1 compression. Rated 247 hp. DOHC.
The Volkswagen VR6 (BJS) is undersquare — the 3.7756" stroke exceeds the 3.3071" bore by 12.4% — a layout that trades peak RPM for leverage and torque low in the range. The 3.7756" stroke puts mean piston speed at 4,000 ft/min around 6,350 RPM, which is where a production bottom end is generally considered at its limit. Each of the 6 cylinders displaces 32.8 ci (537 cc).
11.3:1 on aluminum heads is high enough that pump premium or better is normally required.
It is one of 5 engines in the VR6 family, sitting between the 170.4 ci and 219.6 ci members. Factory fitments include the Volkswagen Golf Mk4 R32, Audi TT Mk1 3.2 VR6, Audi A3 (8P) 3.2 VR6 and 1 other.
| Displacement | 196.7 ci / 3.2 L |
|---|---|
| Bore | 3.3071" |
| Stroke | 3.7756" |
| Cylinders | 6 |
| Compression ratio | 11.3:1 |
| Bore/stroke ratio | 0.876 |
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 247 hp |
| Bore/stroke character | 0.876 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,776 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 32.8 ci |
| Static compression | 11.3:1 — high enough that pump premium or better is normally required |
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