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Wellcraft Scarab KV - how much power
Hi!
How much power do you need to push a 38 Wellcraft Scarab KV to 80 mph + gps? 2 x 650 HP.....? I know its a old design, but nice to look at. A classic. And reasonable priced in Europe. Cheeers, Toffen G |
more like 750hp a side
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Tizbad had one with 800s that went 83. Good luck.
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I just went for a 150 miles boat trip to Ottawa with a friend that has this 1986 38 Scarab KV.
Former Miami Vice Edition repainted. He hits 67 MPH with a 425HP TRS set up running 21 pitched 3 blades. He has about 450 Hours on it. Hope this helps. |
A friend of mine has a 1980 Wellcraft KAAMA SE with a pair SUPERCHARGED 509" engines that make about 730hp each and if his boat donesn't run 80mph it is/runs very close to 80mph. I have run along side of him in my 32' Active Thunder. His boat is made out of Kevlar and has #2 SSM and does NOT have a notch in the transom. The 509's he has have flat tappet hyd cams, bowl/pocket ported GM rectangle port heads, Holley dual 750 carbs worked over by Nickerson, Superchiller innercoolers and aftermarket GIL exhaust manifolds with dry pipes.
I think at least a pair of tall deck 540 cubic inch engines would be good engines to start with and supercharge those. I don't know what kind of budget you're on, but they're not really that much more expensive and I think you'll be better off in the long run. I love the old 377 Wellcraft/Larry Smith flat decks!----Today, they still have the look and profile of a true offshore powerboat! Have fun! :) |
Im am building a 82 40' excalibur currently. Very similar hull. We are using ITS extension boxes and XR drives. Our horsepower should be 700ish per side. We are expecting 75-80 out of it. The biggest gain will be losing the TRS drives and transmissions. Good Luck.
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Originally Posted by GLH
(Post 667714)
I just went for a 150 miles boat trip to Ottawa with a friend that has this 1986 38 Scarab KV.
Former Miami Vice Edition repainted. He hits 67 MPH with a 425HP TRS set up running 21 pitched 3 blades. He has about 450 Hours on it. Hope this helps. |
it depends on what drives are on the boat
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