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Thread: 450r/500r
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01-17-2017, 06:56 PM #16
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01-17-2017, 07:13 PM #17Platinum Team Member
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So true Joe, and it will also open up the possibility for a big $$$ guy to have a reliable 140+ mph big cat. Four 500Rs would fit nicely behind the sponsons of a 40 Skater. Even if the motors are $35k apiece, it would still only be $140k total in the drive package, with warranties and little-to-no maintenance. I think we're going to start seeing some big cats with multiples of these 500Rs like we've been seeing on the big CC boats.
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01-17-2017, 07:15 PM #18Platinum Team Member
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01-17-2017, 08:39 PM #19
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01-17-2017, 08:39 PM #205000 RPM
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I just can't imagine getting 500 propshaft horsepower out of a 2.6 liter engine. Sounds like a LOT of boost.
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Instigator liked this post
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01-17-2017, 08:41 PM #215000 RPM
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If they can, I wouldn't mind seeing a 1.3 liter 250hp option
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01-17-2017, 08:41 PM #22
love it, but I think the Achilles heel will be the lower units. they need to incorporate the bravo lower, in my humble opinion. fun out
most overnite successes usually take at least 10 years
Certified turd polisher,
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Instigator liked this post
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01-17-2017, 09:13 PM #23Supporting Member
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The F1 cars were making over 1200 hp 20 years ago with 1.5 L. displacements but they did twist them just a little higher (like three times higher)... This whole discussion took place over a year ago when Brent bought his 400 and it was said then that they would have to either make more boost or more displacement for a single engine application to pull that case up in an open tunnel (looks like the time is here) and if Merc is going to market it with a warranty then you know there is another 100 or so to be extracted by the aftermarket world. Now, on to the case issues and other weak links to be discovered. This weight is going to require a 30 foot and up length for twins but there will be some silent hot rods out there and think about all of the 400 guys that will be ready to sell for an upgrade.
Joe
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01-17-2017, 09:15 PM #24
Maybe, maybe not. With the e-throttle and the ecm tuning the 400R already does a lot of torque management which can greatly increase the life expectancy of the gear case. I've heard from a couple people that things like prop selection and tuning is a completely different animal on these motors because the ECM kicks in and does a lot to manage the power delivery. Only time will tell.
Mark
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baja200merk, Instigator liked this post
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01-17-2017, 09:25 PM #25
betcha a nickel. shop around the corner has many yellowfins, donzies, contenders, sitting outside the fence ninus the lowers. just sayin.
most overnite successes usually take at least 10 years
Certified turd polisher,
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Dave_r thanked for this postInstigator liked this post
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01-17-2017, 09:42 PM #26Platinum Team Member
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The HP per liter is not far fetched in today's hi-tech world. Ford's new 3.5L Ecoboost motor put's out 630HP SAE, which is close to the same HP per liter as a 2.6L motor putting out 500HP. If you look at Mercury Racing's new SB4 7.0, that motor is making over 100HP per liter without boost! 775HP at 7,500rpm out of 7.0 liters equates to approximately 1550HP when supercharged at just one atmosphere (14.7#s of boost), which equals 221HP per liter - far greater than the 192HP per liter the supercharged 2.6 would be producing at 500HP. The new motors they are producing are amazing - race motor performance, on pump gas with warranties!
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Kcraft thanked for this post
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01-17-2017, 09:52 PM #27Platinum Team Member
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I doubt it. Steve put over 170 hours in the first season on his 318 Skater that got the first pair of 400Rs on it - completely failure free! Show me a 2.5/3.0/3.2 gearcase that has ever gone that long without a failure on a big, heavy 100+ mph cat. I've never had the luck of getting past 50 hours on a 2.5/3.0/3.2 gearcase on any of my smaller/lighter 28 Skaters.
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01-17-2017, 09:52 PM #28Screaming And Flying!
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The best is yet to come
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01-17-2017, 10:34 PM #29
I wouldn't lose too much sleep over a decal ...
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01-17-2017, 11:57 PM #305000 RPM
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