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Old 11-18-2003, 03:47 PM
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Originally posted by blkspringer
I assume the XZ drive is made to handle those rpms without a problem. I hear it is rated for 540 hp. Does the rev limiter slow it down if the prop exits the water on occasion? Nitro...have you tried out your heat yet?
The rev limiter does just that. It keeps the engine from exceeding the preset rpm limit. In your case, that would be 5300rpms +/- 50rpms. The XZ is fine at those rpms, but a drive shower is always a good investment to keep the heat down on the top cap.
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Old 11-18-2003, 04:43 PM
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Blkspringer,

Sounds like your heat is running good, I spin my 500efi at 5250 @WOT. You could maybe get another 100-200 rpm thus 1-2 mph by labbing the prop but if you are happy with it leave it alone.

I am assuming you have a 28p Bravo? I am using a 25 Hydro for my #s and getting 74 gps, 78 Speedo

WILL
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Old 11-18-2003, 05:12 PM
  #13  
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Default Re: Hp500rpm

Originally posted by blkspringer
I am running an hp500 with a 28p prop on a 28 Nordic heat. How many Rpm's should I be running at wot?
ANSWER... "All of them" haha.

Seriously, I also have 28 B1's. The non-lab'd ones spin just as everyone else has attested. Lab'd get appx. 225 more RPM's. Done by Merc....
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Old 11-18-2003, 10:23 PM
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Blkspringer, I did not get chance to try my boat other than a test drive. Have to wait till spring
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Old 11-19-2003, 08:54 AM
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Nitro,

You are in for a long winter. I bought mine last November. It was the longest winter of my life. The factory sets the boats up perfectly. They are dialed in right out of the shrink wrap. I will be interested to hear how it runs with a 525. Enjoy.
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Old 11-19-2003, 09:04 AM
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27Fountain,
I am running a 28p Bravo. Seems to run great. Any suggestions on a second prop?
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