Panther to American Turbine conversion, anyone?
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Panther to American Turbine conversion, anyone?

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    Member Toyboata's Avatar
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    Default Panther to American Turbine conversion, anyone?

    Anyone out there done this conversion. I'd be very interested in hearing from someone that has done it and what they think about it.
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    Senior Member H20MOFO's Avatar
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    Sure ...Tom @ jbp can hook ya up. Or you could get panthergized.
    Another Hot Boat refugee
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    Quote Originally Posted by Toyboata View Post
    Anyone out there done this conversion. I'd be very interested in hearing from someone that has done it and what they think about it.
    WHY !!!!! Add A Outboard
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    jetboataholic HawaiianJet's Avatar
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    Quote Originally Posted by [email protected] View Post
    WHY !!!!! Add A Outboard
    Such a strange comment to be made by someone who makes JET PUMPS.
    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 OUTLAW HALLETT's Avatar
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    I changed my panther out to a berk last year, not an easy job , but just take your time and double check everything and its not too bad , you need some fiberglass skills , , if you would like i can post some pics of my process , and ask tom at jet boat performance, I got the idea to do it from his web page before i ever talked to him, but when I had questions he was more than happy to help me any way he could , ( good guy ) let me know if i can help with any pics or answers , I dont know it all but i have done it and may be able to tell you what to expect good luck ,, It was the best thing ive ever done to my boat ,,,, well worth the time and money
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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Toyboata View Post
    Anyone out there done this conversion. I'd be very interested in hearing from someone that has done it and what they think about it.
    We (JBP) have "swapped" out several Panthers for Berk/A/T type Jets with very good sucess please visit(http://www.jetboatperformance.com/in...ntherdominator ) as well as the Panther energizer (which requires very minor hull mods ) . JBP and A/T as well as their dealers have collectivley a dozen or so of these Panther energizer kits out there in various boats from 18' to 21' all have had very solid feed back . Please feel free to call or post up for more info ,a few examples below Tom
    Camo before (actual "swap out")

    Camo after

    OR...
    www.jetdriveconversion.com
    HB intro

    Jrork


    coredog

    Randy Thompson

    Kreg

    Steve P
    Last edited by jetboatperformance; 10-07-2008 at 08:57 PM. Reason: add pic
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    Ohwee, I sure do like that red/white & blue Brendella Tommy....

    Toyboata,
    I've gone down this road and will add the following cut-n-paste that I posted up on another forum as far as my initial thoughts. I'd be glad to talk to you but to be honest Tommy & Josh at JetBoatPerformance have been involved in this kit from the VERY beginning and can tell you everything you need to know.

    Good luck and please let me know if you have any questions or concerns....john

    "Well, it's a little too early to give hard facts since I've only ran it over the Labor Day weekend and had my fair share of motor issues but what I can tell you is the the Panther Energizer setup that Tommy and Josh put together worked fantastic for our needs.

    With my old Panther setup the best I could do was the mid to high 60's at 5900 rpm and that was after talking at length to Steve at Panther and doing a ton of setup adjustments and fine tuning. I tried the Devcon epoxy he sold me, cleanedup the leading edges, replaced the water seal, adjusted the rideplate till I damn near wore the threads off the bolts and no matter what, it'd cavitate out of the hole and then run great before it'd start cavitating at the top end. Only reason it would stop cavatating at 5900 is that was where my rev limiter is set. As it was, it stopped accelerating after 5300 or so and the rest of the revs were just cavatation

    With this new setup that Tommy and Josh hooked me up with, I can stab it out of the hole with little to no cavitation and it would accelerate with a nice steady pull. I can cruise at 2500 or 3000 and stay on plane whereas my old Panther it would fall off plane at these revs so it was either idle or wide open to move around.

    Reverse on the Panther was sketchy at best whereas this new setup provides an excellent reverse function.

    We were having a ball running it this last weekend for the first time and with my son and I in the boat we could pull 5400 and it felt like it was hauling the mail (no gps at the time).

    Unfortunately, we soon started having some motor issues and could never repeat the 5400 pulls but on Monday a group of us set up a speed trap with a boat that had a Radar Gun. At a semi sick running motor we still pulled 74mph at a measly 4800-4900 rpm.

    So, though I can't say what the top speed of our boat was when it was running good, I can say that with the old Panther pump we were consistently at 5900rpm and the mid to high 60s and now with the Energizer kit we're at much lower rpms and what I would classify as consideable higher speeds.......with such a nicer cruising and reversing ability.

    So with all that said, I'm a believer in this Energizer setup given that it literally bolts to the boat with the same 5 bolts that held the original Panther pump in.

    Good luck with whatever direction you choose but I'm exceptionally happy with my decision to go with this pump setup and most of all, the decision to go with JetBoatPerformance.....damn good people"


    Also Toyboata, I must point out that the boat had not been in the water for over 1 1/2 years so the setup was completely new and frankly, I just through the rideplate on it. Didnt spend one second trying to detirmine where it was in relation to the bottom.

    For the ability to be able to undo 5 bolts that hold the original pump in and bolt the new one in it's place, it's about as easy as it gets. You need to swap the Panther yoke out with the supplied American Turbine yoke but that is a very easy thing to do if you've ever replaced u-joints in a car or truck. Given you are changing the cable routing a bit, there is a need to drill a hole but that once again is pretty easy.

    My favorite part of the new kit is that whereas the Panther you were limited to one impeller and no aftermarket/tuning parts and a very small and limited impeller shaft (that has been known to crack), the new kit comes with a full blown AMT 17-4 shaft, AMT split bowl and impeller. This gives you the ability to run all the "conventional" mods like snoots, droops, diverters and different impellers. The one area where we havent addressed is whether a shoe is necessary to wring out the ultimate performance (which I'm not looking for) or if the design of the intake will provide sufficient charging on it's own.

    I'm not looking for a 100mph boat nor a 90 mph boat but if I'm able to get it to the 80's with this setup, I'll have reached my goals. If you are looking to extract the maximum speed where you will be attempting to hit the triple digits that some of these guys are running (and you really like your boat), then I'd say that the full swap as described by Outlaw Hallet might be a better move (albiet much more labor intensive). It's ultimately how fast do you wanna go.

    Best of luck regardless of your decision.........john

    Here is a pic when it was running sick with an easy 500+lbs in the front two seats.

    Last edited by jrork; 10-07-2008 at 09:22 PM.
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  10. #8
    Senior Member OUTLAW HALLETT's Avatar
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    its funny to hear you talk about doing the same thing i did, to be honest with you , if i had known a little more about the panther energizer kit I may not have done the complete change out ,, but I'm glad i did , not to say i wouldn't have been happy with the kit , I'm just really happy with were I'm at now ,,, I'm not one of those guys that is trying to be a racer, and call it a lake boat , my boat is truly a family boat and always has been .

    I am one of those people that has to have a project in the winter or I get boared.,, the whole reason i did the swap is , the panther was wore out and it was time for a rebuild , as i did some looking around and talking to the guys at panther , i found that it was going to cost me something like 1800.00 to send my panther up and have it rebuilt and ad a diverter. I found a newly rebuilt berk on ebay , with new intake ,shoe, ride plate,bowl and imp. for 1200.00 , so it came down to me spending more money on a pump that i didnt like to begin with ,, just to avoid the extra labor, and like i said i like to have projects anyways. I always wanted my boat to have a berk , so the choice was easy ,,.. that was the only part of the swap that was,, I think i ended up spending a lot more money , on this and that (little stuff ads up fast). I think it all depends on what you want , if you want to have a pump that you can modify, change and tweak , and get real good efficiency out of and don't want a race boat , than a full exchange may not be what you are looking for ,it is a lot of time and labor , to have something that you will never use to its full potential like me , i think that the energizer is awesome and it sure seemed to work out great for jrork, and trust me tom and josh are great people , way too helpful for their own good .. i would say the best way to make your boat more efficient and more user friendly without spending a bunch of time would have to be the energizer . If you know your never going to be happy with "just a lake boat" and your going to be looking to make a race boat then the set back full change over may be the thing to do , Im not one of those rich ass holes that post on here telling everyone how they should build thier boats, and they have the best set up on the water , everythig i do to my boat takes way too much time due to money , like alot of others , first thing you need to do is decide what kinda boat you want ,,,,,, hope it works out for ya keep me posted
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  11. #9
    Senior Member OUTLAW HALLETT's Avatar
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    here are a couple of pics of the change and the end fun








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    jetboataholic HawaiianJet's Avatar
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    Very nice Outlaw!!!!!

    Where did you get that TA plate, or did you make it yourself?
    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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  13. #11
    ATM
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    Default WOW thats Great AD copy

    Quote Originally Posted by jrork View Post
    Ohwee, I sure do like that red/white & blue Brendella Tommy....

    Toyboata,
    I've gone down this road and will add the following cut-n-paste that I posted up on another forum as far as my initial thoughts. I'd be glad to talk to you but to be honest Tommy & Josh at JetBoatPerformance have been involved in this kit from the VERY beginning and can tell you everything you need to know.

    Good luck and please let me know if you have any questions or concerns....john

    "Well, it's a little too early to give hard facts since I've only ran it over the Labor Day weekend and had my fair share of motor issues but what I can tell you is the the Panther Energizer setup that Tommy and Josh put together worked fantastic for our needs.

    With my old Panther setup the best I could do was the mid to high 60's at 5900 rpm and that was after talking at length to Steve at Panther and doing a ton of setup adjustments and fine tuning. I tried the Devcon epoxy he sold me, cleanedup the leading edges, replaced the water seal, adjusted the rideplate till I damn near wore the threads off the bolts and no matter what, it'd cavitate out of the hole and then run great before it'd start cavitating at the top end. Only reason it would stop cavatating at 5900 is that was where my rev limiter is set. As it was, it stopped accelerating after 5300 or so and the rest of the revs were just cavatation

    With this new setup that Tommy and Josh hooked me up with, I can stab it out of the hole with little to no cavitation and it would accelerate with a nice steady pull. I can cruise at 2500 or 3000 and stay on plane whereas my old Panther it would fall off plane at these revs so it was either idle or wide open to move around.

    Reverse on the Panther was sketchy at best whereas this new setup provides an excellent reverse function.

    We were having a ball running it this last weekend for the first time and with my son and I in the boat we could pull 5400 and it felt like it was hauling the mail (no gps at the time).

    Unfortunately, we soon started having some motor issues and could never repeat the 5400 pulls but on Monday a group of us set up a speed trap with a boat that had a Radar Gun. At a semi sick running motor we still pulled 74mph at a measly 4800-4900 rpm.

    So, though I can't say what the top speed of our boat was when it was running good, I can say that with the old Panther pump we were consistently at 5900rpm and the mid to high 60s and now with the Energizer kit we're at much lower rpms and what I would classify as consideable higher speeds.......with such a nicer cruising and reversing ability.

    So with all that said, I'm a believer in this Energizer setup given that it literally bolts to the boat with the same 5 bolts that held the original Panther pump in.

    Good luck with whatever direction you choose but I'm exceptionally happy with my decision to go with this pump setup and most of all, the decision to go with JetBoatPerformance.....damn good people"


    Also Toyboata, I must point out that the boat had not been in the water for over 1 1/2 years so the setup was completely new and frankly, I just through the rideplate on it. Didnt spend one second trying to detirmine where it was in relation to the bottom.

    For the ability to be able to undo 5 bolts that hold the original pump in and bolt the new one in it's place, it's about as easy as it gets. You need to swap the Panther yoke out with the supplied American Turbine yoke but that is a very easy thing to do if you've ever replaced u-joints in a car or truck. Given you are changing the cable routing a bit, there is a need to drill a hole but that once again is pretty easy.

    My favorite part of the new kit is that whereas the Panther you were limited to one impeller and no aftermarket/tuning parts and a very small and limited impeller shaft (that has been known to crack), the new kit comes with a full blown AMT 17-4 shaft, AMT split bowl and impeller. This gives you the ability to run all the "conventional" mods like snoots, droops, diverters and different impellers. The one area where we havent addressed is whether a shoe is necessary to wring out the ultimate performance (which I'm not looking for) or if the design of the intake will provide sufficient charging on it's own.

    I'm not looking for a 100mph boat nor a 90 mph boat but if I'm able to get it to the 80's with this setup, I'll have reached my goals. If you are looking to extract the maximum speed where you will be attempting to hit the triple digits that some of these guys are running (and you really like your boat), then I'd say that the full swap as described by Outlaw Hallet might be a better move (albiet much more labor intensive). It's ultimately how fast do you wanna go.

    Best of luck regardless of your decision.........john

    Here is a pic when it was running sick with an easy 500+lbs in the front two seats.

    Talk about a testimonial you can't get any better than that. Josh at JBP had great idea and with our help collaborated together on a really good kit.
    ATM

    One less DEALER means more DISCOUNT for you
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    Quote Originally Posted by ATM View Post
    Talk about a testimonial you can't get any better than that. Josh at JBP had great idea and with our help collaborated together on a really good kit.
    ATM
    Thanks Ron but it might be do a better job if I could spell better.......

    Thanks again for taking a shot producing these kits. I'm genuinely happy and it clearly fits our needs..
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    Damn Nice work Outlaw Hallett!!! Looks killer
    Last edited by jrork; 10-08-2008 at 09:05 AM.
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    Quote Originally Posted by OUTLAW HALLETT View Post
    I changed my panther out to a berk last year, not an easy job , but just take your time and double check everything and its not too bad , you need some fiberglass skills , , if you would like i can post some pics of my process , and ask tom at jet boat performance, I got the idea to do it from his web page before i ever talked to him, but when I had questions he was more than happy to help me any way he could , ( good guy ) let me know if i can help with any pics or answers , I dont know it all but i have done it and may be able to tell you what to expect good luck ,, It was the best thing ive ever done to my boat ,,,, well worth the time and money
    Did this wake the boat up? looks good in the pics, my buddies panther was just rebuilt
    by panther and its just feels strange, motor spins up then you feel the thrust.
    kind of like turbo lag. great job on the conversion...
    #55
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