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  1. #1
    Registered phughes69's Avatar
    My Boats:
    1980 Wellcraft Scarab 377 twin turbo, 1984 Formula 242 LS SBC/ Alpha
    Join Date
    Dec 2001
    St. Clair Shores, MI

    Speedmaster IIs on early 38 Scarabs

    Has anyone ever seen this? Was it a special order option? I looked at the transmissions and all I can see is a Stamped name plate that says Mercury. The transmissions were rebuilt about 200 hours ago. If they were Borg Warner trans's where would I look to see.


  2. #2
    Join Date
    Jan 2001
    ST. Louis, MO, USA
    My guess is that they're II lowers on TRS uppers. Look for 2 vent holes on the back of the uppers. If they went to IIs from TRS without recutting the transom, the X dimension will be 2" too low.
    Velvet drives will have a tag on the top left (if I remember right). The Merc and B/W look entirely different. I think you can find diagrams for both in Doller Marines online parts listing.
    The Merc tranny was not built to handle much hp, I doubt they would have ever built a SSM/Merc tranny combo.
    Might be worth buying as a cheap project boat.
    My $0.02

  3. #3
    GOT MERC? Goodfella's Avatar
    Join Date
    Aug 2001
    Boynton Beach FL


    The #II Speedmaster was introduced in the middle to late 70's. It was coupled to the Mercury transmission when it was first released. The easiest way to make sure it is a Merc Trans is that the housing was made of aluminum. The transmission housing not the bell housing on the engine. It also had a internal cooler so you will see two water lines going in and out of the tranny.

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