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Just Me
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At what point is a diverter benificial for a 21 foot cruiser? I'm wondering if there is any real advantages to adding a diverter to a cruiser that probably tops out about 60 or 70 on a good day. Do the diverters make enough of a difference to warrant the expense and if so what type of difference can one expect?
 

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At what point is a diverter benificial for a 21 foot cruiser? I'm wondering if there is any real advantages to adding a diverter to a cruiser that probably tops out about 60 or 70 on a good day. Do the diverters make enough of a difference to warrant the expense and if so what type of difference can one expect?
They save a lot of gas. When you get tired of pulling a skier or tube, crank up the diverted and the will be begging to get off.
 

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Mine would porpoise pretty bad without it. Diverters are helpful for take offs and also for trimming. Try to find one used. If you don't like it, they sell quick.
 

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Cole SS
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I have a 20' cole with a place diverter. It would be half the boat without it. That is the first thing I would for a boat that size. The most bang for the buck, and more than likely gain some speed
 

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At what point is a diverter benificial for a 21 foot cruiser? I'm wondering if there is any real advantages to adding a diverter to a cruiser that probably tops out about 60 or 70 on a good day. Do the diverters make enough of a difference to warrant the expense and if so what type of difference can one expect?

Said again and again other than significant HP increase , Jet trim diverters are the single hands down winner/bang for buck/ DIY/ bolton addition you can add to a jetboat, its provides instant performance gains and hull control . Boats in general are very weight and weight distribution sensitive and the trim compensates and adjust for much of that not to mention steering , manuvering and acceleration gains Tom
 

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Just Me
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Discussion Starter #9
Thanks for the replies. I'll have to add that to the need to get list when I get home. I know it looks like it has some kind of trim tabs on it, but I'll definately start keeping an eye for a diverter.
 

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At what point is a diverter benificial for a 21 foot cruiser? I'm wondering if there is any real advantages to adding a diverter to a cruiser that probably tops out about 60 or 70 on a good day. Do the diverters make enough of a difference to warrant the expense and if so what type of difference can one expect?
I have a 21 Ft Cruiser what setup do you have to go 60 or 70. Mine is pretty tired I would sure like to get that speed
 

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Just Me
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Discussion Starter #11 (Edited)
I have a 21 Ft Cruiser what setup do you have to go 60 or 70. Mine is pretty tired I would sure like to get that speed
More motor. I've not had this cruiser out yet, but the hull design is more than capable of hitting those numbers. It is just a matter of how much engine you want to use to get it there. I would think a 600HP Big block would get a decent 21 foot cruiser up to the 60s. If not, add more HP and it will reach it. I'm sure things like diverters and droops help to maximize the boat's potential and even 80 - 90 isn't impossible, just not very practical.

Edit: You also have to have the right impeller for the engine/hull combination.
 
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