Porsche GT1 motorsport engine evolution...
1996 Porsche 911 GT1 (racing car)
Displacement: 3,164cc (Twin Turbo)
Bore: 95.00mm
Stroke: 74.40mm
Power: 600hp
Torque: 600Nm
1999 Porsche 911 GT3 (road car)
Displacement: 3,600cc
Bore: 100.00mm
Stroke: 76.40mm
Power: 360hp
Torque: 370Nm
Red-line: 7,800rpm
2003 Porsche 911 GT3 RS (homologation)
Displacement: 3,600cc
Bore: 100.00mm
Stroke: 76.40mm
Power: 380hp
Torque: 385Nm
Red-line: 8,200rpm
2006 Porsche 911 GT3 / RS (homologation)
Displacement: 3,600cc
Bore: 100.00mm
Stroke: 76.40mm
Power: 415hp
Torque: 405Nm
Red-line: 8,400rpm
2006 Porsche 911 GT3 RSR (racing car)
Displacement: 3,797cc
Bore: 102.70mm
Stroke: 76.40mm
Power: 485hp
Torque: 435Nm
Red-line: 9,000rpm
2008 Porsche 911 GT3 Cup S (racing car)
Displacement: 3,598cc
Bore: 99.98mm
Stroke: 76.40mm
Power: 440hp
Torque: 430Nm
Red-line: 8,400rpm
2009 Porsche 911 GT3 (road car)
Displacement: 3,797cc
Bore: 102.70mm
Stroke: 76.40mm
Power: 435hp
Torque: 430Nm
Red-line: 8,500rpm
2009 Porsche 911 GT3 RS (homologation)
Displacement: 3,797cc
Bore: 102.70mm
Stroke: 76.40mm
Power: 450hp
Torque: 430Nm
Red-line: 8,500rpm
2010 Porsche 911 GT3 Cup (racing car)
Displacement: 3,797cc
Bore: 102.70mm
Stroke: 76.40mm
Power: 450hp
Torque: 430Nm
Red-line: 8,500rpm
2010 Porsche 911 GT3 R (racing car)
Displacement: 3,996cc
Bore: 102.7mm
Stroke: 80.4mm
Power: 480hp
...all due respect to engine designer Hans Mezger, GT3 project manager Andreas Preuninger and all the great Porsche Motorsport engineers at Weissach!