Coverted JC vs. JG
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Coverted JC vs. JG

  1. #1
    "It's HONDO, honey" Kyle's Avatar
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    Default Coverted JC vs. JG

    Hey just looking for some facts and wonder if their is any interest in a Converted JC. Everyone seems to go with a JG due to the fact that you are able to bolt a droop up to it. Does anyone know the flow numbers of a jc vs. a jg and the obvious advantages? Including pics? Thanks
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    Senior Member Futs's Avatar
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    Exit veins are longer. Do a seach, it's been covered in depth with pics.

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    jetboataholic HawaiianJet's Avatar
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    With a converted JC you can bolt on add-ons just like the JG. But with a regular JC, you cannot. Here's how it's been explained to me, the JC is slightly superior to the JG, but a converted JC is more expensive than a JG, and unless you're chasing tenths of a second, it's not worth the time, effort, or money, to have a JC bowl converted to a split bowl.

    Standard JG bowl


    Converted JC bowl. Can you spot the difference?


    Standard JC bowl
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    Last edited by HawaiianJet; 12-08-2008 at 08:28 PM.
    HJ

    ***FOR SALE*** 1978 19' Full Stringer Hawaiian Molokai Jet Boat w/ Berkeley 12JC-AB and Chevy 440 Tall Deck ***FOR SALE***

    Quote Originally Posted by mako shark mark View Post
    Oh yeah, Forgot to mention that the hull is a special mixture of speedcote, herculiner and rain-x, all blended together- good for another 8 mph top end.

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    Senior Member cave's Avatar
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    So what is expensive? A new JG bowl cost around 7 to 800 buck. A used JG if you can find them go for around 3 to 400 right?
    Takin it home

  7. #5
    "It's HONDO, honey" Kyle's Avatar
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    Quote Originally Posted by cave View Post
    So what is expensive? A new JC bowl cost around 7 to 800 buck. A used JG if you can find them go for around 3 to 400 right?
    Corrected it for ya pal
    ___________________________________________
    _________________________________
    ___________

    "Chine walkin: (verb) - to show another brother that you will stay in to win. (syn.) Holy *hit!!!!!! Don't Lift!!!!!"

  8. #6
    "It's HONDO, honey" Kyle's Avatar
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    I think I need to explain a little better. The reason I ask about the conversion is if you have it custom done, you should be able to determine your own length. Meaning not a JC converted to be the same length but rather 1/2 longer than an agressor.

    And HJ I do see the difference, but lets see the inside . Did they taper it, leave it straight, flare it out, steps and a taper, double weld? These are all things that you could pitch to sell other than basically a JC with a droop flange.
    ___________________________________________
    _________________________________
    ___________

    "Chine walkin: (verb) - to show another brother that you will stay in to win. (syn.) Holy *hit!!!!!! Don't Lift!!!!!"

  9. #7
    Glendale Arizona Squirtcha?'s Avatar
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    Quote Originally Posted by Kyle View Post
    And HJ I do see the difference, but lets see the inside . Did they taper it, leave it straight, flare it out, steps and a taper, double weld? These are all things that you could pitch to sell other than basically a JC with a droop flange.
    Here's a picture of the inside of mine. Don't know if it'll answer any of your questions, but here it is anyway.


  10. #8
    Senior Member cave's Avatar
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    Kyle the JC bowls brand new are more like a 1295.99 I searched the Berkeley site and them suckas new are pricey. This i cant understand since if you buy a new one you still need to do the mods to strap a Droop or snoot to em.

    The JG's are like 899.99 This is new.

    Can Dominator or Aggressor bowl do the trick cheaper than a conversion?
    Takin it home

  11. #9
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    I recently sold a stock JC bowl for less than $55. It is off season but I needed to know what they're worth off season. I'm getting 2 JC bowls this week, both are going to be converted, 1 is for my boat and the other will be for sale, along with the Dominator bowl that's on my boat now. These plans may change but I doubt it. Wish me luck.

  12. #10
    Senior Member DuaneHTP's Avatar
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    Buy a Brand New ATJ bowl for $475.00 and have the best of both worlds.
    Problem solved with a better flowing bowl with longer veins.

  13. #11
    jetboataholic HawaiianJet's Avatar
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    Quote Originally Posted by Kyle View Post
    I think I need to explain a little better. The reason I ask about the conversion is if you have it custom done, you should be able to determine your own length. Meaning not a JC converted to be the same length but rather 1/2 longer than an agressor.

    And HJ I do see the difference, but lets see the inside . Did they taper it, leave it straight, flare it out, steps and a taper, double weld? These are all things that you could pitch to sell other than basically a JC with a droop flange.
    Well im in the process of doing a JC conversion, so those are all things that I would love to know as well. I'm at the point now where I might just send this bowl off to the recyclers, and buy a non-Berk. split bowl when im ready, cause I've got no time anymore to even look at the boat.

    And last I heard, there wasn't anybody doing bowl conversions right now, but that may have changed, I don't know.
    HJ

    ***FOR SALE*** 1978 19' Full Stringer Hawaiian Molokai Jet Boat w/ Berkeley 12JC-AB and Chevy 440 Tall Deck ***FOR SALE***

    Quote Originally Posted by mako shark mark View Post
    Oh yeah, Forgot to mention that the hull is a special mixture of speedcote, herculiner and rain-x, all blended together- good for another 8 mph top end.

  14. #12
    Boat Nut sleekcrafter's Avatar
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    It's not cost effective to have the conversion done today, after market bowls are out on the market, and priced competitively. They used to be converted by several builders, but the process varied by the builder. The MPD conversion is a first class deal, all steps taken to do it right.

  15. #13
    "It's HONDO, honey" Kyle's Avatar
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    Quote Originally Posted by sleekcrafter View Post
    It's not cost effective to have the conversion done today, after market bowls are out on the market, and priced competitively. They used to be converted by several builders, but the process varied by the builder. The MPD conversion is a first class deal, all steps taken to do it right.
    1-Well what I'm trying to see basically is if there is still a market for them. I've seen three mutiples done. By doing a JC conversion you are able to machine the reciever meaning the billet piece that will be welded to the bowl that has the JG bolt pattern.

    2- When a person machines the reciever they are able to dtermine the length that they want it to be. A converted JC can be a 1/4in shorter than a JG, 1/2in longer than a JG or the same lenth as an agressor.

    3- if made longer, the machinist will be able to taper the inside of the reciever from the id of the outside of the veil (id of cut-off bowl) and taper them down to the size of the id of the droop. Continuous necking down of water and up of pressure up till the point of exit, hydrology 101.

    4- how much is a "convertist" getting vs. what you guys think their actually worth?

    Just trying to get some ideas here?
    ___________________________________________
    _________________________________
    ___________

    "Chine walkin: (verb) - to show another brother that you will stay in to win. (syn.) Holy *hit!!!!!! Don't Lift!!!!!"

  16. #14
    "It's HONDO, honey" Kyle's Avatar
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    Quote Originally Posted by Squirtcha? View Post
    Here's a picture of the inside of mine. Don't know if it'll answer any of your questions, but here it is anyway.

    Looks good and it's even been center drilled to be double drilled. I only saw the water blowin out of it at bartlett How you and the boat been doing?
    ___________________________________________
    _________________________________
    ___________

    "Chine walkin: (verb) - to show another brother that you will stay in to win. (syn.) Holy *hit!!!!!! Don't Lift!!!!!"

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