Cayman S engine
Here are the facts:
Boxster S, Cayman S, 911 Carrera
Camshaft adjustment:
VarioCam, VarioCam Plus, VarioCam Plus
Bore:
93 mm, 96 mm, 96 mm
Stroke:
78 mm, 78 mm, 82.8 mm
Displacement:
3.2- liter, 3.4- liter, 3.6 liter
Power output:
280 hp, 295 hp, 325 hp
Volumetric efficiency:
88.1 hp/l, 87.1 hp/l, 90.4 hp/l
While the Cayman S's flat-six engine is 200 cc larger than the Boxter S engine, has VarioCam Plus, 997 cylinder heads, 997S profile camshafts; it produces only 15 hp more, and its volumetric efficiency decreases from 88.1 hp/l to 87.1 hp/l.
Chip tuners are currently developing chips for the Cayman S. Has anyone at Rennteam used a tuning chip on any Porsche?