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You have a better shot if it is an M6 and not an A4. Even so to reach 500 RWHP & be naturally aspirated is a stretch. Also considering that your car is a DD the cam size would have to be real big to get near the magical 500 number. Drivability & Reliability would have to be sacrificed. A more realistic figure would be bet, 450-460 RWHP and still be livable day to day, IMHO.
You have a better shot if it is an M6 and not an A4. Even so to reach 500 RWHP & be naturally aspirated is a stretch. Also considering that your car is a DD the cam size would have to be real big to get near the magical 500 number. Drivability & Reliability would have to be sacrificed. A more realistic figure would be bet, 450-460 RWHP and still be livable day to day, IMHO.
It's an m6. hmm.....ok, so if I were to go the supercharger route....then the drivability would be unaffected....unless I dig into the boost??.....
I see some people change out cam after the SC. What would having both buy me??
To get a head and cam package to 500 rwhp will take an aggressive package with a pretty large cam and cost more money then the supercharger. I would bolt on an A&A Vortech kit and be done.