He hasn't got 800hp yet, but he thinks it has potential for 800hp...
He hasn't dyno'ed it either.. just done a rough mapping yet...
BUT he has been one time to the strip with it and with only
1,2kg boost pressure, he made a time of 11,03..... keep in mind that it isn't built/set up for dragracing=lots of wheelspin! His highest finish speed was 221km/t.
Engine facts : S38 B38 engine, lowered compression, Mahle pistons, homemade turbo manifold, piping, head gasket, intecooler ++, Turbonetics T72 turbo, Autronic Sm2 engine
management system, bigger injectors ++ The engine cost at the
moment is at about 18000USD including purchase of the engine itself.
Gearbox is original M5, pressure plate from Alpina B7 turbo with zinter clutch. complete E28 535 rear suspension, diff, driveshafts etc...