Y2K set ups
 

Hey guys! Thanks for all the kind words and encouragement, I am doing great and have been keeping the big C in check, I have been checking in here regularly and hav gotten lots of kind IMs.
OSO has been keeping me sane ! I havnt been in a boat since The Conn. river run and I am dying for the smell of salt and exhaust(bad choice of words i guess, but gotta have a sense of humor!) Anyway I cant wait to hear numbers and setups of all these new Y2Ks, When I was setting up my boat there were not many out there and it seemed even less with big HP.I have been following the merc 600 story and want to hear the final results.I dont claim to be an expert but as i have said in here before my experience with my Y2k has shown an extension box on my boat was a mistake ! That 600 (superbabi) needs a 5 blade round ear 29 it will get the revs up and the slip down! My slip nubers sucked (17 to 21 percent) the only thing that helped was going deeper with the drive,2 in spacer , it also dramaticaly improved my bowlift.I heard a long islander bought john jrs boat ? is he on here ? what power? Maybe i shouldnot be giving away my secrets! but it will be great to pick other brains for ideas! My boat is still disassembled ,I pull the motor and drive every winter and with all my health bs havnt been doing anything.I dont think i will be ready for the superfest but ill try , hey bash how about a wednesday night ride!
Jim Capie

Re: Y2K set ups
 

ok so how about Y2K guys listing thier setups

JessieJamesIII
2001Y2k
bravo XR with 2 in spacer(propshaft center 6in below keel)
29P5X hydromotive for speed(92 mph decent holeshot)
27P5x labbed for racing P-4(85mph amazing holeshot)
509 blowershop250 4psiboost 650 to 675 hp
bottom blueprinted straight(no special rocker bottom)
280tabs rarely needed except when racing
and I also prefer lefty props but they do put extra stress on theb top cap , and yess I have eaten many bravos!

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What type of extension box did you try. As you probably have read I want to use the ITS cause of its clean transome set up more than anything. Its conservitave ant 7-7 1/2 setback. JC feels that I should raise the X 1" over the set up hes using. I guess hes about 4 1/2 below with current set up. I hear from JC Carys black Y2K with 496 and ITS (now whippled) is running 81 with the 1" higher X

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Jcap did you gain, loose, or stay the same with the ext box you used?

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It's Great to Here from you Jim! :D
We will miss you at Claudio's this year! :(
Hopefully we will hook up later in the season... :cool:
My 24' is packing a little more punch this year, but not quite enough to keep up with you. :p
Not yet anyway... :drink:

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hey Pat,
I have been following your adventures also! sounds like you will be running very strong this year! Im not giviung up on claudios yet! And great to hear from you too pat!
OZone,I agree the ITS set up looks very clean and with the narrow beam it makes tab installation easier and a much cleaner transom,I had an Imco box set at neutral and lost 3 mph and also had a real bow lift problem,The Y2K is already a long hull for a single and a box makes it longer and harder to lift the bow, with an ITS i would definetely put SPACERS or LOWER the X. I know John says I am wrong , he says raise the X( he puts prop shaft 4 inches below keel) But prop slip and bow lift are inherint problems of long, narrow beam deep Vs . and seting the X lower helps with both problems , yes I know it increases drag but these are ocean boats not flat bottom lake hulls.OK im rambling again, just my 2 cents

How about other setups ? get under those hulls and check propshaft height! I would love to hear the numbers for superbabi? John Jrs boat ,the black boat with the whipple? With low hp 496factory power and under 80mph slip isnt so bad and a higher x is ok, with bigger hp and over 80mph slip climbs and bowlift degrades , My boat had a strong hp500 with a procharger and I barely did 80 slip was 20% and the nose was always down!

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Hi Jim, GLAD TO HEAR ALL IS WELL. The 600 sci is in my boat as you know. All your ideas are very close to what the merc. racing rep has in mind 2" drive spacer and various 5 blade set ups. I hope we can get this all dialed in very soon anxious we grow. We really hope we can get this boat/motor combo going nice. Thanks Jim for taking your time to post this thread. Your coments are valued for sure. ..............Gary

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alright Gary now your talking !
Deeper will be faster!
dam I should have kept my mouth shut!
I wont be top Dog for long!!John has been saying higher X and I have been saying lower! Best of luck gary!

I have tried damn near everything so if i can help just call!
Jim 631-893-9320

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Jim;
Talking with JC today, he says that he has been setting the propshaft at 4 1/2 in below in all the recent Y2k's. Carys black 496 w/ITS was doing 74 and 81 whippled. I asked JC a while back and he thought he raised the X 1" for the ITS on that boat. Ill ask him again. My thoughts is I can always add a 2" spacer if needed and poroably the cheapest way to adjust the propshaft depth. Hope to learn more when the Merc rep comes back. THanks for your input. I sure do appreciate it... Feel better bro...

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Excellent! Now your talking!

Jim,
I think you told me that you and the Mrs. make a trip out east to Shelter yearly. If not on the 12th, I'll meet you in Greenport anytime... :cool:

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jim...pat....if you run it, i will come....
i'm doing a fire island thing on july 16-17...i think liopa or some crowd has something going on then, too..let's "intrude" on their affair?....
c

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Jim,
Superbabi doesn't have a problem at all with bow lift. Hit the trim, and you can really get her to air out. I blueprinted the hull for bow lift. Theres no problem getting her bow out of the water. With your hull, you had to lower your drive to get more of a bite (leverage), for bow lift. I think that since Babi doesn't have bow lift issues, the force that would have been exerted to lift the bow can now be turned into more MPH. We're all hoping.

Rick

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So Rick, what is your theory why the prop slip numbers are so high?

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Oh Professor Jcap,
I have just read through all the threads. Everyone is finally listening to you... :eek:
John Jr's old boat got a spacer, Babi is getting a spacer, Oh-zone is planning for a deeper prop... :drink:

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Jc Needs To Step Up And Take Care Of The Spacer On This X Dimmension Placement.

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I only know what worked on the JESSIE JAMES, like Rick said my hull was blueprinted differentely, testing on other hulls needs to be done before John changes X dim on all his Y2Ks. And I still believe for stock power the higher X will be the best set up, ( kracs boat in texas is showing great numbers for a stock merc 30 ft single) spacers are easier to change than X dims. I did talk to the new owner of John jrs boat and I suggested he put a spacer and try a 5 blade , I dont think Rick did any magic on his hull either,( did you Rick?) I am waiting to hear his results.

And yea Pat its nice to think someone is listening to me! but the truth is, thats the cool thing about this site ,we all want to be the fastest but we share info and help one another, and if my suggestions help you guys ,thats great

and I drink free at Superfest right?

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From what I heard. JC jrs. hull was blueprinted straight (flatboarded)

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I think if he (superbabi) has no bowlift issues ,thats a great compliment to Rics ability to message the bottom and create a rocker that gives bow lift, but that same rocker may be creating a disturbed water flow to the prop and causing unusually high slip numbers, thats not a bad thing unless you cant correct it , and the easiest way to correct slip is going deeper. I would bet that Kracs hull is straight or has a slight hook. Many hulls require a slight hook and I think the Y2K mold has a hook

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I spoke with Gary(Superbabi) and said before any other changes go the 2" deeper and test when merc comes back cause inquiring minds want to know!
I remember Professor Jcaps older thread and illustrations and havent forgotten that lesson either :D

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I want et to chime in here...hows the spacer and the 29 pitch working for you?

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Let me throw something else out there...
I know with my boat that above 60mph there is vary little boat in the water. The chines are definitely out, and she is riding from the strakes down maybe less.
In other words the whole boat rises up out of the water with speed.
If we assume that Superbabi does not have a "bow lift" problem.
Do you guys think that some were above 75mph Superbabi continues to rise up to a level that the prop no longer bites as well?
Are Superbabi's slip numbers comparable to Keith's boat at 70mph?

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PAT may have something there. ..OUR StepBottoms dont naturally rise like Pat's strait Vee. Using Babi's lifting rocker is a good example SuperBoat Guru Pat.

Deeper is better. Not only has JCAP said it all along...but Bash has said the same too.

As JCAP stated also...The drag from the lower unit doesnt effect this hull design (24 & 30's) as much as the higher slip obtained from the higher propshaft centerline. It has been said a zillion times all ready...but guys keep insisting to raise it up...go higher ......easy done with an O/B...done it a million times with all diameter/pitch props...always go back to the lower/better height.

Glad to hear from Professor Jim!!! & he even started a NEW THREAD!!! :)

Jim ...this WED NITE is gonna be hectic. Bash has planned a GreatSouthBay G.P.S. run ...& looks like its gonna be a BIG turnout! Video will be posted.

Watch Superbash Vids for video of ET5508 (JohnJr's ex-Y2K).

Gene

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So lets hear from et5508.... Hows the spacer and the 29p prop working out for you?

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From what I hear, the spacer didn't work. Lost speed. Go figure............

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Pat Just Curious What Is The Prop Shaft Lenght From Bottom On The 24 I/o ???

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Im not sure I understand that question. Is it how far back is the start of the prop from the transom? That will vary on notched transom boats. I know the notch on the 30 is 9 inches long. My 30 with the notch and the box the prop was back if I remember correctly was around 44-48 inches.

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Gary,
If you are asking how far below the bottom the prop shaft is on my boat, it is 5" below the V...
My boat has a straight V that comes a point though.
Dave M. has measured 6-1/2" from the pad to prop shaft on his 24'. His step/pad 24' is more like your hull.
Neither of our 24s have the notch like ZZ is talking about.
The notch should make for "cleaner" water to the prop.

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Thanks Pat, Sorry My Queston Was Not Very Clear. I Was Just Trying To Compare To The Y2k........

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From what I gather, the 30'Y2K is setup with the prop about 2" higher than the 24' boats Dave and I have...
I am not sure how the boys will setup the new 24' at the rigging shop now???

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Ok Guys I have been away and havnt heard much , there is info in a bunch of different threads,

Bajababy? spacer or no ? 4 blade or 5 ? top speed?

John Jrs? did you try the spacer? 5 blade? top speed ?

and remember guys the Y2k isnt the fastest hull around but dam if it isnt one of the best rough waters boats in the 30 single class! my guess is 81 for the 525 and 83 for the 600,and when the warrenty is over the 600 becomes 700 very easily!
Anyone see pics of John jrs boat in point pleasant a few years ago? amazing shots of that boat flying, and yes they won the race against some very good competition , several boats chose not to race that day, too rough and the race was called early because the support helicopters couldnt fly it was too dam nasty!

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Jim You Are 100% Correct. After Warranty Wam Bam !!!!! All The Way. As For Now 525 79/80 Mph,,,,600 82/83........600 Runing New 5 Blade 27".........as Oh Zone Said The Wow Factor Is Awesome !!!!!

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great news gary, was a spacer used on either boat ? just curious

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Jim 5508 Used A One And Half Inch Spacer. There Were No Gains :( I Guess It Works Different On Some Hulls ??? Anyway I Am Done Tweaking..........it's Play Time !!!!!! I Hope To Meet Up With You Soon Jim !!!