1. V

    N54 6266 dyno at 809whp (796 SAE)

    With a new fuel system, maintenance, other odds and ends taken care of I went back to the dyno and sent it again. Boost only on pump E85, no other power adders were used. I believe this is a new horsepower record for the fairly common N54 6266 top mount setup. .. .. 809 WHP / 755 WTQ...