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  1. #11
    Skater Brother Platinum Member FREEDOM US1's Avatar
    My Boats:
    46 Skater,35 Cig, 57 Carver
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    I'll have a set of Speed Shift 2 speed transmissions in my 46 Skater at the Saint Pete PRA if anybody wants to look at them.

  2. #12
    Platinum Member Platinum Member RMPRam's Avatar
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    Plymouth, Mn. USA
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    Are they the B&M's?
    G.K.

  3. #13
    Registered Brad Zastrow's Avatar
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    39 MTI "Wildcat",
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    I had them in my Motion. I will save you some money as you WILL BLOW THEM up if they are not center aligned. The crank must be perfectly centered with the bellhousing or the trans pump will go boom. We used offset dowel pins (Jegs sell them) to line up the crankshaft to the bellhousing. This is a must do. Ateco Engines used some tool to do this. I watched it only took a few minutes. I found out hard way twice.....

  4. #14
    Skater Brother Platinum Member FREEDOM US1's Avatar
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    46 Skater,35 Cig, 57 Carver
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    Quote Originally Posted by RMPRam View Post
    Are they the B&M's?
    No. Special built transmissions built to handle 1200 + HP and take the abuse of a heavy 46 in 3 to 4 to 5 footers in and out of the water. They were built to fit in the same place as bam or hubers. Bam builds a great transmission but I couldn't get them to live with the abuse I gave them. I don't know anything about your B&Ms. Good luck.

  5. #15
    Registered KNOT-RIGHT's Avatar
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    Turbine 46 Skater
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    Quote Originally Posted by FREEDOM US1 View Post
    No. Special built transmissions built to handle 1200 + HP and take the abuse of a heavy 46 in 3 to 4 to 5 footers in and out of the water. They were built to fit in the same place as bam or hubers. Bam builds a great transmission but I couldn't get them to live with the abuse I gave them. I don't know anything about your B&Ms. Good luck.
    Jim anything on the different gearing we discussed?

    I need to break 200

    HIJACK over

  6. #16
    Registered
    My Boats:
    1989 42' Fountain
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    Jul 2008
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    Cinnaminson, NJ
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    To the experts...

    I just happen to be going through this now as I have an old 12 meter with two speeds, the motors are out but want to put it back together right the first time...

    Quick question... Once the transmission is centered on the bell housing, I should be good to go. I don't see a need to remove the tranny from the bell housing so I should be able to just bolt them back to the block. Correct? Or should center be checked when removed from the block? The boat ran a few years with these trannies already and don't want to mess with them if I don't have to.

  7. #17
    Registered Brad Zastrow's Avatar
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    So long as the bellhousing was not removed you should be fine. The B&M is not a very strong transmission. Anything over 1000hp is risky.

  8. #18
    Platinum Member Platinum Member
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    Quote Originally Posted by RMPRam View Post
    Can anyone point me to any articles/pictures on B&M 2 speed marine transmissions? I just bought 3 of them and am looking for information on how they were coupled to the flywheel. If anyone knows where there are any couplers lying around for these transmissions I would appreciate a helping hand. Thanks for any help.

    Gary
    Back in 1994 I was testing with the various trannies with Gentry when we were getting ready for the Kilo runs with our 40` Skater Gentry Eagle. We were working with Art Carr trannies in Calif. We tried the Turbo 400`s and the two speed Torqflites, at that time neither worked for us. We were running a 1.25 gear in the #6 and Destroked big block`s to 357 cu in. with twin turbo`s motors turned 8,500 and pulled over 60 inches of mercury on full boost over 1,100 hp each. We tried everything to get on plane, finally got the fuel mapping corrected and didn`t need the trannies, we blew them all to hell anyway, but again that was then. Art Carr should be able to help you with items needed and info. Good Luck

  9. #19
    Registered
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    Quote Originally Posted by Brad Zastrow View Post
    So long as the bellhousing was not removed you should be fine. The B&M is not a very strong transmission. Anything over 1000hp is risky.
    That's what I suspected. I'm only running 800hp so I should be good for a while. If these go I'll change trannies.

    Thanks Brad.

  10. #20
    Skater Brother Platinum Member FREEDOM US1's Avatar
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    46 Skater,35 Cig, 57 Carver
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    Quote Originally Posted by KNOT-RIGHT View Post
    Jim anything on the different gearing we discussed?

    I need to break 200

    HIJACK over
    Get bigger Props !! And 1:24 gears then turn 1to1 . 180 mph would be a good number!!


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