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need more speed zx33 donzi

Old 06-03-2013, 09:43 PM
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Originally Posted by Dukedonzi
I don't think his boat is a 98 I think that is "Q"8 in his name... boat should be a 2003
figured he was making a play on numbers and letters and that the boat was updated. Okay, maybe a stretch . If he ever replies, we will get Paul Harvey's 'Rest of the Story'.

tom
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Old 06-04-2013, 04:20 PM
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My boat 2003
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Old 06-04-2013, 04:29 PM
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My boat 2003
Trim 3
5100 rpm
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Old 06-04-2013, 05:17 PM
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Originally Posted by q8donzi
My boat 2003
Trim 3
5100 rpm
ok,,so now we know what the real boat is and the real engines are..you need to go to a 32 p prop because your bouncing off the rev limiters...once you go to the 32 p props trim it to 5 or 7..that should put you over 80..
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Old 06-04-2013, 08:28 PM
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Thanks
I will try and tell you
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Old 06-05-2013, 11:47 AM
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q8 is indeed a play on words for Kuwait (his location).

I don't think moving up in props from a 30 to a 32 will help him, he is only revving 5100, Merc Racing 525's are set up ideally to spin 5200 and will not bounce off a stock limiter until 5400.
IMO 32's will kill his rpm unless they are worked over a lot.

Just trim that fat girl out until you break loose then down a notch from there....
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Old 06-05-2013, 01:47 PM
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Originally Posted by verbi69
q8 is indeed a play on words for Kuwait (his location).

I don't think moving up in props from a 30 to a 32 will help him, he is only revving 5100, Merc Racing 525's are set up ideally to spin 5200 and will not bounce off a stock limiter until 5400.
IMO 32's will kill his rpm unless they are worked over a lot.

Just trim that fat girl out until you break loose then down a notch from there....
525 rpm 4800 to 5200 not 5400 thanks
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Old 06-06-2013, 07:08 AM
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The little stickers that Merc put on the cooler read 4800-5200 rpm. Most people that own 525 EFI's like myself know that 4800 is way too low for wot. The Merc Racing 525EFI is an engine that should be run at 5200 rpm for optimal power, not 4800 rpm. The engine is very capable of turning 5400 rpm in stock form, not that i am saying to do this however....To each their own I suppose.....

Last edited by verbi69; 06-06-2013 at 07:12 AM.
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Old 06-06-2013, 05:05 PM
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verbi69 is correct the rev limiters are at 5400(maybe 5350) so that isn't the issue. In fact, you should be running them closer to 5300 as they make more power there.
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Old 06-06-2013, 05:14 PM
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Originally Posted by verbi69
q8 is indeed a play on words for Kuwait (his location).

I don't think moving up in props from a 30 to a 32 will help him, he is only revving 5100, Merc Racing 525's are set up ideally to spin 5200 and will not bounce off a stock limiter until 5400.
IMO 32's will kill his rpm unless they are worked over a lot.

Just trim that fat girl out until you break loose then down a notch from there....
they start at 5400 and take into consideration that some tach's do lie..

q8,,b4 you swap props you really want to see if you can get any more speed from the props you have,,i spoke to a friend and he said that you want to spin those engines at 5250 b4 they hit gaurdian mode..trim up and see what you can get out of it..dont be scared to over trim at a lower rpm,,get into a nice cruise at around and trim up until the props slip then trim back down until they bite again then ease into full htrottle and see what the boat runs for speed..i dont know your boat but they all respond differently..

Last edited by FIXX; 06-06-2013 at 05:31 PM.
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