Can someone tell me more about this jet?
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Can someone tell me more about this jet?

  1. #1
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    Default Can someone tell me more about this jet?

    Been doing some searching to try to figure out more about the impeller and this set up, but I need the guidance of the jet boat Oracles! Too hard to search when you don't know enough about what to search for.

    He said its an agressive cut B impeller, he had around 520hp and his engine locked out at 6000, does that seem about right? Looked at the impeller charts, it seems right. From what I read it seems like the B impeller gives you more of a holeshot by loading the engine up more to get into an RPM range quicker like lower gears on a car (numerically higher).

    But what does "agressive cut" mean, I've been trying to search for that but all I see is agressor, but thats a brand isn't it?

    As far as the pump pictured, can someone tell me more about that. Whats been replaced/changed, whats aftermarket?

    And what part actually moves with the hydraulic pump? I can't seem to figure that out either.

    Thanks in advance guys, I'm sure these are pretty mind numbing questions to you.
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  3. #2
    lol, right..... Devilman's Avatar
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    Never hear of an "aggressive" cut of any kind myself. My first thought was maybe he was referring to an Aggressor B cut impeller? Not sure, I figure if its a B cut, its a B cut. Maybe a combination, I've heard of people going with an A/B, B/C, etc....

    Other than that, looks like a Berkeley JF or JE (insert pump)... They hydraulic pump is for the diverter, which is an adjustable trim unit for the pump. Makes the nozzle go up & down, to put it simply.

    I know somebody wil mention it, but do you have any bigger pics? Kind of hard to tell what ya got going on with those little ones.

  4. #3
    Renegade jet tunneljet's Avatar
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    Aggressor is a company that makes jet pumps and parts. An aggressor impeller is usuall one cut up from Berkley/American turbine etc. Which means an aggressor B cut impeller would act like a Berkley AB cut. The hydraulic pump moves the nozzle up and down which trims the boat. The boat has a JE or JF model Berkley pump which is an insert pump, less popular for performance applications/tuning of the pump.

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    haha, yeah, I noticed how small they were, I don't know what I can do about that.

    Thanks for the quick responses, If I searched for bowls think I'd find a thread with a lot of info about which bowls are which? I see you gusy spout those off all the time and I don't know which is which!

    This does not have a droop on it correct? A droop is a snoot?

    The diverter connects to the bowl, and can move up and down independantly; it looks like there's a shaft it rides on? The diverter is also reverse right?

  7. #5
    lol, right..... Devilman's Avatar
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    Yeah, doing a search can get you a lot of info. May take a couple of tries, but the info is here.

    Honestly, I'm not real familiar with the JE/JF pumps, so I'm not real sure what style of bowl would have came on them. Your pump does not have a droop on it, just a diverter. You pump is of the "one piece" bowl variety, like a C bowl. (I know, one more difference to throw you off, lol) One thing you can do is go to Berkeley's website, where you can look at the different model designations (along with pictures) and familiarize yourself with the differences.

    The diverter will incorporate reverse into its design, but thats not all its there for. The diverter moves the nozzle up & down, the nozzle is the actual endpiece where the water exits the pump. The reverse bucket or gate, is the part on the end that opens & closes with the forward/reverse hand control up front, thats where you get your forward or reverse from..

    Hope all this is making some sense, trying to explain it simply, but I have been drinking some this evening, lol....

  8. #6
    21 Daytona Outlaw's Avatar
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    that tag shown in the third pic will tell you what pump you have
    it will probably show JE-A the pump looks to me like a JE
    the bowl is a one piece standard on a JE or a JC
    the place diverter is a JE style. http://www.placediverter.com/index.p...details&pid=62
    the impeller has probably been replaced so the only way to truly
    find out is to pull the bowl and inspect it.

    post a pic of the loader, where the water enters the pump and we can give you an idea of what loader you have
    Last edited by Outlaw; 01-19-2010 at 07:00 PM.
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    well she isn't mine yet, this is the one i'm looking at getting though.

    I'll see if I can't get him to send me a few more pics of the bowl and loader.

    Is that place diverter aftermarket? if so, would it be better or just different than stock?

    Thanks again for all your help guys! I'll keep reading up on the bowls!

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    Senior Member sturat's Avatar
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    The place diverter is an aftermarket item. as said before it acts as your tilt and trim, plus gives you the roost.. With out the diverter you are not going to be able to have a roost. Another down fall with the JE is the size of the intake is small, this will not be an issue if you are just wanting a nice river/lake cruiser. But if you think you want to really go fast that intake will limit the boat a bunch due to the small intake (not allowing enough water to enter the pump) This is just my .02 worth.
    Legalize the Constitution!

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    Senior Member Delemorte's Avatar
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    Quote Originally Posted by sturat View Post
    The place diverter is an aftermarket item. as said before it acts as your tilt and trim, plus gives you the roost.. With out the diverter you are not going to be able to have a roost. Another down fall with the JE is the size of the intake is small, this will not be an issue if you are just wanting a nice river/lake cruiser. But if you think you want to really go fast that intake will limit the boat a bunch due to the small intake (not allowing enough water to enter the pump) This is just my .02 worth.
    agreed..

    I love my JE however i know it has limitations. The above may or may not be true depending on the rest of the set up. You just need to understand that some of the mods these guys do you wont be able to on a JE. Howevwe for my first jet its been fool proof so far.
    Quote Originally Posted by jetboatperformance View Post
    the ensueing fire would likely be extinguished by the sinking however

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