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What type of Alpha Drive? SS?

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Old 12-26-2010, 10:30 PM
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Default What type of Alpha Drive? SS?
I bought an 87 Donzi Z25 with an Alpha drive and a 454 mag. Is this an Alpha SS or some other version of the Alpha?
Attached Thumbnails What type of Alpha Drive? SS?-aft-side.jpg   What type of Alpha Drive? SS?-lower.jpg   What type of Alpha Drive? SS?-port-side.jpg  

What type of Alpha Drive? SS?-upper.jpg   What type of Alpha Drive? SS?-upper-lower.jpg  
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Old 12-26-2010, 10:44 PM
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looks like it has some sort of hydrofoil connected to the cavitation plate...
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Old 12-26-2010, 10:54 PM
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It does.
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Old 12-26-2010, 10:57 PM
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It's a Cobra Edge Pro Planing and Stabilizer Plate.
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Old 12-29-2010, 08:17 AM
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That is indeed an SS drive. Rough sand cast finish on the upper is a good givaway along with the CLE lower. The hydrofoil was probably to help the big boat plane with the short drives takeoff leverage (lack there of).
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Old 12-29-2010, 12:55 PM
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Do you want to sell it. JOHN
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Old 12-29-2010, 03:26 PM
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Originally Posted by Fenderjack
Do you want to sell it. JOHN
their was one on speedwake a whyle back,dont know if its still available..their was a few on donzi.net also..

http://www.speedwake.com/newclassifi...p?product=1946
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Old 12-29-2010, 04:59 PM
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Originally Posted by Fenderjack
Do you want to sell it. JOHN
I am looking at a bravo 1 setup right now. If I can get it at the bravo at the right price I would want to sell it.
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Old 12-29-2010, 05:22 PM
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This drive has been great. No wave hopping or hard hole shots. I respect the torque of a BBC and know that it is my weak link. The Cobra Edge Pro Planing and Stabilizer Plate gets the boat on plane quickly but it does cause some drag. A bravo 1 would be a better fit.
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Old 12-29-2010, 05:49 PM
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Originally Posted by gellis11
This drive has been great. No wave hopping or hard hole shots. I respect the torque of a BBC and know that it is my weak link. The Cobra Edge Pro Planing and Stabilizer Plate gets the boat on plane quickly but it does cause some drag. A bravo 1 would be a better fit.
If you plan on getting anywhere near the speed with the ss drive you will want to look into a imco -2'' lower under the bravo upper..If you stay stock bravo then you will loose around 5 mph on the big end..
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