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1200+ hp Skater 399 V

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Old 11-04-2008, 09:14 AM
  #41
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I don't have BSFC numbers. The dyno isn't set up for a return style fuel system yet. I'm working on it, just haven't had a chance to get it done.
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Old 11-04-2008, 09:41 AM
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Is that the boat that was at Lake Cumberland??? I think I have a pic?

Did the customer not Merc power or was it price??
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1200+ hp Skater 399 V-100_0005.jpg   1200+ hp Skater 399 V-100_0008.jpg  
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Old 11-04-2008, 11:53 AM
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All I can say is WOW! That boat is insane!

Just curious though, 130+ with 1075's! That is blazing for a V... 1200's! I can't even imagine!

What was the reason for the engine swap?

Beautiful boat!!!
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Old 11-04-2008, 12:07 PM
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Originally Posted by Young Performance View Post
On the 1229 hp pull it was making just shy of 12 psi and on the 1326 hp pull it was making just over 14 psi.

Thanks for the kind words everyone.
Eddie
Nice project Eddie and nice numbers.

Can you show us the lower side of the dyno sheet
from 1,500 rpm's to 5,000 ?


Thanks
Jon
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Old 11-04-2008, 12:51 PM
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Originally Posted by cougarman View Post
Nice project Eddie and nice numbers.

Can you show us the lower side of the dyno sheet
from 1,500 rpm's to 5,000 ?


Thanks
Jon
Very interesting JON theres another brutha that put these on and lost top end speed but gained 100 hp at mid range
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Old 11-04-2008, 11:30 PM
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Is that the boat that was at Lake Cumberland??? I think I have a pic?

Did the customer not Merc power or was it price??

That is the boat. I had started building these engines for his Top Gun that he had before he bought the Skater. We were going to set them up around 900-950, since it was a Bravo boat. Just as I was going to start assembling them, he struck a deal on this boat and traded in the Cig. He had already paid for the engines, so he decided to up the hp and put them in this. That is the real reason he bought the Skater in the first place. He already had the engines handled.
I built a set of 598's with Quadrotor Whipples (1193 hp) for his last boat.
Eddie
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Old 11-04-2008, 11:59 PM
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Nice project Eddie and nice numbers.

Can you show us the lower side of the dyno sheet
from 1,500 rpm's to 5,000 ?


Thanks
Jon
Thanks Jon. We started the pull at 4000 rpm. The dyno would not hold it any lower. The brake temp was over 160 deg and climbing quickly. It is a Stuska brake and they say not to run it over 130 deg. I have only dynoed a few engines at this shop and this is by far the biggest. The brake should have no problem holding it, but something may be wrong with it. It should not heat up that fast. It is rated to hold 2000 ft lbs and like 1600 hp.

Runninghot,
These blowers do not make what the quadrotors made in the midrange. I compared the numbers at 4500 and 5000 rpm and the quadrotor beat it by 100 hp. When the 2.3 quad was running out of steam, this one kept pulling. But, it is larger (5 liter compared to 4.6 liter) The 5 liter also took longer to build boost, but it kept going when the 2.3 quad stopped. It basically moved the power up 500 rpm. I had to spin it a little harder to make the same power as the 2.3 quad. I have a sheet from an engine that I did with a 2.3 quad that made 1330 at 6100 RPM, whereas the 5 liter took 6600 rpm to make the same power at roughly the same boost. But, that was in a quick sweep. In the boat, I expect it to build boost lower since it won't be accelerating as fast as it did on the dyno.
Eddie
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Old 11-05-2008, 09:34 AM
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Nice work Eddie,
I heard Bruce had purchased a Skater. I assumed it was a cat.
I love the 399V, however. The Spiderman boat was really a great running Super V, and I remember seeing this one at the Louisville show. Nice paint, love the F-16 canopies, and I am sure it will fly with your motors.
Looking forward to seeing you guys on the lake with it. When are you going to test?
Best Regards,
Steve
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Old 11-05-2008, 09:41 AM
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Originally Posted by Young Performance View Post
Thanks Jon. We started the pull at 4000 rpm. The dyno would not hold it any lower. The brake temp was over 160 deg and climbing quickly. It is a Stuska brake and they say not to run it over 130 deg. I have only dynoed a few engines at this shop and this is by far the biggest. The brake should have no problem holding it, but something may be wrong with it. It should not heat up that fast. It is rated to hold 2000 ft lbs and like 1600 hp.

Eddie

Thanks,...............NO disrespect to you, just amazed how many people cannot dyno the low side. Guys over here dyno it all including the diesel's on the very low side.

But I was accused of defying the laws of physic's too.

Cool project though, thanks for sharing your time with us.

Jon

Last edited by cougarman; 11-05-2008 at 12:05 PM. Reason: typo
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Old 11-05-2008, 10:06 AM
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Thanks,...............do disrespect to you, just amazed how many people cannot dyno the low side. Guys over here dyno it all including the diesel's on the very low side.

But I was accused of defying the laws of physic's too.

Cool project though, thanks for sharing your time with us.

Jon
Guys over here dyno it all including the diesel's on the very low side. DITTO on that Jon, We did one last friday and pulled 3500 to 7000 ,and were after egts,BOOSt, A/F
check your email Jon
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