05 clk500 with @bloodmotorsports fully custom turbo kit on 5,6.4,8,11 psi pulls due to this engine has over 240,000 miles and the original spark ⚡️ plugs from Mercedes 😂😂 but made 398/399 on 7psi on87 gas that’s what I had in a tank so I used what ever I had my lawn mower gas ⛽️ but AFR WAS WHERE I WANTED THEM TO BE AND CAR RUNS SMOOTH LIKE FACTORY I don’t own copyrights to the song