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  • M278: Article: RENNtech M278 twin turbo 4.6 liter V8 ECU tune upgrade - +70 horsepower, 530 crank horsepower for C218 CLS550

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    1. 05-15-2012, 02:25 PM #11
      Dueclaws's Avatar
      Dueclaws
      Dueclaws is offline Member
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      You're welcome!
      Interesting: Eurocharged's tune that doesn't require "cracking" the ECU housing (as shown on the front page of this site).

      "It's 100% working for all 63's, 300's, 350's, 550's, and the 450.
      No initial opening required.

      I'm sure a few members can chime in and explain
      how we tuned theirs without opening the ECU.

      Our new programmer will be released in a few days and it can store multiple tune files and the stock file.

      Jerry is still working on the Bi-Turbo V8's, but all of the others are ready to go."
      Last edited by Dueclaws; 05-15-2012 at 02:30 PM.
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