Honda/Rover 2.7 V6

[JDH]

Just wondering if anyone could proffer advice on getting more power out of this engine. There wasn't exactly an overabundance of tuning accessories when the engine was current and there are fewer still now, but I'm wondering if it could be centrifugally supercharged. I'm thinking of perhaps a Vortex blower, such as those used in Z engineerings VW conversions ? Will I need to play about with cams, pistons, CR etc. to use, perhaps, 7psi boost ? Does anyone know of any companies who could be relied upon to do the work ?