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Thread: W124 300E manual swaps????

  1. #1
    Join Date
    Jul 2016
    Chicago Burbs

    Default W124 300E manual swaps????

    Are there any good options for a manual swap for the w124? I hear plenty of M103 190es came with a manual. What about tremec? Anyone make a bellhousing to mate them together?

  2. #2


    The 5 speeds out of W201's and W124's are interchangeable. The only attention to pay is on the flywheel to make sure you have the correct timing marks for the engine. M103 needs the three tabs etc... I have a M104 6 cylinder engine bolted to a 5 speed from a 8V 4 cylinder car. Clutch is a smaller diameter on the 8V. Cosworth and 6 cylinder cars have the larger diameter flywheel. Otherwise you just need the front half of the driveshaft from the doner car, pedal assembly with master cylinder, clutch lines, and to jump the neutral safety switch.

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