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18foot jet info...please

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Old 06-17-2008, 02:40 PM
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Does anyone know of or heard anything about an 18ft Sutphen jet made in the 70s?
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Old 06-17-2008, 04:58 PM
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Like this?
Attached Thumbnails 18foot jet info...please-sutphensportjet.jpg  
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Old 06-17-2008, 05:19 PM
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Originally Posted by throttleup466
Does anyone know of or heard anything about an 18ft Sutphen jet made in the 70s?
No, but lots of the boat builders built jets back in the day.

Jammin, is that a sutphen? that thing is bad azz. What are the stats?
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Old 06-17-2008, 06:34 PM
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Originally Posted by socalstone
No, but lots of the boat builders built jets back in the day.

Jammin, is that a sutphen? that thing is bad azz. What are the stats?
I see them on the web from time to time. That's just a pic I found. I don't know anything about that one.
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Old 06-17-2008, 09:55 PM
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Originally Posted by socalstone
Jammin, is that a sutphen? that thing is bad azz. What are the stats?
Pretty sure that's a 17'.
Attached Thumbnails 18foot jet info...please-sportpacer173one.gif   18foot jet info...please-sportpacer173two.gif  

Last edited by dave911; 06-17-2008 at 10:01 PM. Reason: adding article
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Old 06-17-2008, 09:58 PM
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Here's an 18 jet...Looks like these boys were having some fun without even being in the water. Bet nobody here has ever done that...

You can search on "Gran Sport" for a lot of info on my old 18' boat.
Attached Thumbnails 18foot jet info...please-46_1.jpg   18foot jet info...please-65_1.jpg   18foot jet info...please-81_1.jpg  

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Old 06-17-2008, 10:02 PM
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More...
Attached Thumbnails 18foot jet info...please-gransport182one.gif   18foot jet info...please-gransport182two.gif  
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Old 06-18-2008, 08:14 AM
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Is that your old boat "depth charge"? What kind of speeds, handling etc?
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Old 06-18-2008, 01:01 PM
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Not mine. Jet boats take LOT's of power to break 60mph. I'd estimate 450hp in the relatively deep Gran Sport...Good luck. D911
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Old 06-19-2008, 04:24 PM
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Originally Posted by dave911
Jet boats take LOT's of power to break 60mph. I'd estimate 450hp in the relatively deep Gran Sport...Good luck. D911
Yeah, that sounds right.... My 20' Jet (Taylor LP mold) 454 with some HO mods + lightning headers. -probably 425-450hp. Big for a jetboat, but still very light. Probably no where near as deep as the Sutphen, but she'll run 65 everyday with a best of 67.3 or so on GPS.
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