SoCal Jet Boats
Tech Talk => Hulls => Topic started by: bigred88 on August 02, 2014, 12:59:49 PM
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hey fellas I'm building lil boat and hate the fact I kno absolutely nothing bout the hull it's full stringer boat I'm putting pretty decent power in it any info be greatly appreciated only thing I can come up with bein rookie to these hulls it's a 90 model hardin marine Caribbean? did hardin actually lay up any hulls are they decent boat for power?
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Some pics of the hull would help even more!!
SRC
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pics
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Wow check out the old sun machine sure don't need that thing for tune ups anymore.
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I have the exact same hull except mine is an '84. Great hull for an all purpose jet boat. Very stable ride and gets up and goes with you put decent power to it. Only down is that they are very heavy and the steering at idle is terrible...but the steering is common in many jets. Even though its lacking in lightness its makes up for it in stability.
Just an fyi if your using that diverter, for some reason the diverter arm causes a nasty little splash back over the passengers side transom when slowing down. Another person on here who has the same hull (86carribean) actually lost 3mph when using the diverter, if youre a speed enthusiast its something to consider. I have one on mine and it does slow it down a bit but I like the added control it provides.
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rush1 we still use that bear machine actually only to test batteries though that machine will find bsd cell when other testers pass lol good eye
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ckaz thanx for the review great info I've got alot of work in it slready only thing left is pump work I am a speed freak kinda upset bout the 3mph loss and the heavy lay up but I will address that when I get pump wrk I'm gonna start a vdrive build nxt and keep this as family boat thanx alot for the info
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ckaz what kind of power and MPH u gettin out of your sled?
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any recommendations on how to address the hook of diverter arm and keep the diverter
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any recommendations on how to address the hook of diverter arm and keep the diverter
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Pics
-beerjet-
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shitty pic only one of pump i really have in my phone
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I haven't topped my boat out yet this year. I just got the engine rebuilt. Its got a little over 500hp. I'm in the high 60s and I'm confident I can get it to mid 70s once I get my throttle cable adjusted to open the butterflies all the way.
The other guy on here w the same boat has 540 hp bbc B impeller and loader grate. Hes pulling 72mph w full tanks and 2 people in it.
As for the diverter I'm not sure how to fix it. I think its the angle the diverter control arm drags in the water. If you slow down very slowly it usually doesn't splash back.
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Sweet that makes me feel better I've got lil more power than that so hopefully after I get my pump tightened up and calculate correct impeller I can be high 70's thanx alot for the help socal rox
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any recommendations on how to address the hook of diverter arm and keep the diverter
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Would a rideplate help with this at all?
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hopefully it does I didn't wanna mess with the bolt on stuff plan on testin this year and getting idea for winter if I wanna set it back install ride plate yada yada I been thinkin hard bout puttin sto c k motor ba c k in and building v drive
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I'd be really curious to see what kind pf difference a droop would make on our hulls
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I don't see anything that could even remotely be hanging in the water that would slow you down.
At least not from this angle.
-beerjet-
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I have an 86 Hardin Marine Caribbean also, but it is my first boat, so I can't compare it to any others. In my opinion though, it feels to handle well and runs smooth. I'll follow this thread, as I'm interested in any further input !
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Cool Jason Can you post a pic? Heres mine
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Here's a few pics
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A few more...
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I have a 89 Caribbean that I have owned for 5 years now. It's been a great boat. Ditto that it's a little on the heavy side but solid, no one stress crack.
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rush1 we still use that bear machine actually only to test batteries though that machine will find bsd cell when other testers pass lol good eye
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you mean like they do at wall mart lol those guys drive me crazy the way they test batteries
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O ya walmart and auto zone battery testers!!! wow
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freakin sweet hardins guys!!!!! love the bench seat wanting to bench mine thanx for all the help and info guys!!!!!!!
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takin the jet killer out this weekend boat came from cali 3 1/2 years ago anyone reconize this sled
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still has tag someone should kno this beauty
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Riverrat817,
Do you have a loader on yours? If so which one? Also does your diverter splash the back of your boat when you slow down?
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Yes to the loader question. It's the SE loader intake from Hardin Marine. I have never experienced the splash back issue.
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How much of a difference did the loader make?
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Not sure, the loader was on it when I bought it. I am actually thinking of trying the SS loader if I keep don't make any changes to the engine or the XS loader if I make a few engine mods.
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Yeah that would be interesting to know how much of a difference it makes. How much hp are you running and what's your top speed?
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Mild 468 with 500hp runs 78mph.
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Nice. What impeller are your running and how many rpm's your turning?
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Running an Aggressor bronze B at 6200rpm
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Damn thats a high rpm. What cam are you running? Also did you pick up an speed when you switched from an A to a B impeller?
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I actually bought the boat complete less motor so never had an A impeller. Pump has an inducer, stuffer and the bottom of the boat has been worked and speed coated. I'm using a Clay Smith cam 615/300
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man that's a sweet mph with this hull makes me second guess sellin it
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Does anyone know anything about Rowdy hulls? Found an open bow jet for sale but don't know their reputation.
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post a new thread so everyone can see it add pics these guys on here can name just bout any jet there ever was👍
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I tired but it said I didn't have enough authority to start a new subject or something like that... Guess I need more activity. :banghead:
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Was able to tonight... Must have needed admin approval before I was allowed to. Thanks.