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Old 06-18-2012, 03:33 PM
JaredOSU JaredOSU is offline
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Boat: Mastercraft Prostar 190 351 Windsor 1:1 Borg Warner
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PowerSlot transmission

I have a 1989 Prostar 190 with a 351 Windsor and a 1:1 transmission. Would it be possible to change out the 1:1 trans with a powerslot transmission? I am guessing that there might be a different size drive shaft, and with that a different strut. But, will I run into problems under the engine cover or the back hull of the boat?
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Old 06-18-2012, 03:39 PM
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mzimme mzimme is offline
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Shaft size is different. Not sure when the hull began being a standard design, but I know in 83 with my slot tranny it has a bubble molded into the hull to fit the bigger prop.
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Old 06-18-2012, 03:49 PM
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east tx skier east tx skier is offline
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Yes, you can. But you will have to replace not only the transmission , but also the shaft, strut, and prop.
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Old 06-18-2012, 07:22 PM
JaredOSU JaredOSU is offline
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Boat: Mastercraft Prostar 190 351 Windsor 1:1 Borg Warner
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pictures

Could you guys check these pictures to see if the hull in the back will accept a larger prop for a powerslot trans?

Thanks

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Old 06-18-2012, 09:59 PM
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Like east tx said, you'll have to replace shaft, strut and prop. Rudder should be okay. Why do you want to do this? Can't believe you don't have enough hole shot with your setup.
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Old 06-18-2012, 11:10 PM
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east tx skier east tx skier is offline
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At that point, the hulls were the same whether there was a 1:1 or a 1.52:1. Larger wheel should fit.
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To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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Old 06-19-2012, 05:04 PM
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I don't think you will see a huge benefit to the power slot for the cost involved. You'll probably get better performance for a lot less money by re-propping.
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