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    • Pure Turbos 900 McLaren M838T turbo upgrade has an MP4-12C producing 790 rwhp on 93 octane

      The MP4-12C gets overlooked because it is the oldest of the turbocharged McLaren street cars but the technology employed is the same. The 650S is just a reskin of the MP4-12C anyway. Just look at the power you can get out of the car with the Pure Turbos 900 McLaren M838T turbo upgrade.


      790 rear wheel horsepower while revving to 8500 rpm:


      That is on 93 octane pump gas as well with a meth kit.

      A quick look at McLaren MP4-12C prices shows the car at just over $100k. That certainly makes it one of the best tuning values on the market today namely when looking at exotics.

      This article was originally published in forum thread: Pure Turbos 900 McLaren M838T turbo upgrade has an MP4-12C producing 790 rwhp on 93 octane started by Sticky View original post
      Comments 2 Comments
      1. SpeedLimit?'s Avatar
        SpeedLimit? -
        The M838T in the 650 actually has upgraded parts from the P1 engine. I believe heads, cams, etc. so a 650s might respond even better.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by SpeedLimit? Click here to enlarge
        The M838T in the 650 actually has upgraded parts from the P1 engine. I believe heads, cams, etc. so a 650s might respond even better.
        Keep in mind McLaren themselves released a software tune to bump up the MP4-12C.

        Yes, the 650S has some engine changes but it is pushed a little harder so the MP4-12C actually will have greater gains over stock while the 650S should hit higher peak figures.

        It's close though but the 650S does ultimately have the edge. Everything on the 650S fits the MP4-12C...