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 Post subject: 2520 Sport Cabin mod-V repower
PostPosted: Wed Aug 24, 2011 2:48 pm 
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Yes folks, I thought I was going to "sell her" by now and it wasn't as much as the intervention by Capt Kevin (Megabyte) and Brad (Parker) that twisted my arm ... as much as it was my local dealer (who months ago had no suitable motors) but who recently called me with a deal that I just can't pass up. I pulled my 'big girl' the other day to add a new(er) Evinrude all-Bomb-made direct injected 2-stroke, with ~300-hours on it, onto the stern.

Since I run a fuel computer linked to instantaneous MPG readouts from the GPS chartplotter, and run over-size trim tabs (24x9) ... I will admit that I can't wait to see what the "after" performance is like. Not a bad photo from my cell phone, huh?


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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Wed Aug 24, 2011 3:21 pm 
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glad to see you kept her!!! Good choice!!!!

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Wed Aug 24, 2011 4:18 pm 
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Awesome Dale!
Photo is great!!!

Gotta say that those old Ocean Runner / Ocean Pro motors always seemed to be bullet proof.
I had a 90 hp version on my old 17 Dusky deep vee, and that 90 would push her to 35kts in flat water with full fuel and 2 aboard.

Congratulations!
Give us some performance and fuel burn numbers once you've had a chance to give her a go.

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sat Aug 27, 2011 5:14 pm 
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So ... is this the motor?


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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sat Aug 27, 2011 6:03 pm 
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DaleH wrote:
So ... is this the motor?


Never seen one of those.
Is that the freshwater bass boat edition?

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sat Aug 27, 2011 8:13 pm 
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That is a gas guzzler, I thought you said direct injection?

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sun Aug 28, 2011 7:55 am 
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Bryan 2530 wrote:
That is a gas guzzler, I thought you said direct injection?

I did ... was just teasing, as there was this monster of an OB in the boatyard next to me. Here's the new power, re-mapped to 250hp few year old JohnnyRude by Bombardier.


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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sun Aug 28, 2011 8:35 pm 
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Make sure you check for fuel leaks on the pressure port on the fuel manifold, we have had a few of those go up in flames on startup down here. Miky's old Aquasport was one of them . Ethanol eats the valve o ring then boom! 80 psi fuel spraying on electrical components.

Other than that, good luck with the new Power!!! 8) 8) 8)

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Mon Aug 29, 2011 6:27 am 
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I had a 2003 Johnson oil inject and carbs loved it, not one issue ever.

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Tue Aug 30, 2011 1:55 pm 
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Bryan 2530 wrote:
Make sure you check for fuel leaks on the pressure port on the fuel manifold, we have had a few of those go up in flames on startup down here. Miky's old Aquasport was one of them . Ethanol eats the valve o ring then boom! 80 psi fuel spraying on electrical components.

Yup, ahead of you there - whew! While Bomb never acknowleged a recall (design was compliant for E10 fuel), they did provide an upgrade in the event fuels exceed 10% ethanol. This puppy has the upgrade kit installed.

FYI, many motors of all brands didn't survive the 1st round of E10 introduction ... can't imagine the consequences if our dim-witted Politicians ever implement E20 or > fuels :shock: !

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Tue Aug 30, 2011 2:07 pm 
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DaleH wrote:
can't imagine the consequences if our dim-witted Politicians ever implement E20 or > fuels :shock: !


Agreed!

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Wed Aug 31, 2011 8:36 pm 
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Megabyte wrote:
DaleH wrote:
can't imagine the consequences if our dim-witted Politicians ever implement E20 or > fuels :shock: !


Agreed!


Ditto!!

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sat Sep 03, 2011 4:44 pm 
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Not sure if E15 was covered anywhere else Dale but EPA approved it this summer for gas stations on newer cars. For those that get gas at gas stations, will have to read signs closer as the transition goes.

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Sun Nov 06, 2011 4:32 pm 
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Any updates? How does it run compared to your 225hp Oceanrunner carb?

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Mon Apr 02, 2012 8:44 am 
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One more question, how high is your engine mounted with respect to the cavatation plate to the boat lowest point. Again we have the same boat and my engine is about 3-4 inch higher than the bottom of the v.

thanks,
Paul


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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Mon Apr 02, 2012 10:31 am 
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captbone wrote:
Any updates? How does it run compared to your 225hp Oceanrunner carb?

Not installed yet .. hold on ...

fishenmission wrote:
One more question, how high is your engine mounted with respect to the cavatation plate to the boat lowest point. Again we have the same boat and my engine is about 3-4 inch higher than the bottom of the v.

I ALWAYS put my motors as hign as I can run them ...

Like most women wearing the wrong size bra ... most boats are rigged wearing the wrong size prop (too tall a pitch), with the motor hung too deep to boot! At least from my experience ...

I want my vent plate (there is NO cavitation plate on an OB motor) above the surface of the water at crusing speed.

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Wed May 30, 2012 6:58 pm 
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My name is Hannibal and I approve this message ........

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Wed May 30, 2012 8:14 pm 
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Hannibal wrote:
My name is Hannibal and I approve this message ........


:D

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Mon Jun 11, 2012 8:44 am 
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DaleH wrote:
Here's the new power, [edit: for the 2011 end-of-season] ... a 6-year old JohnnyRude by Bombardier.
Image
[/quote]

If you haven't followed the saga of my Parker that started Classic Parker, that OB detonated on me whilst offshore, but my insurance company paid off for a new powerhead, which I in turn used as a deposit on a new Suzuki 250hp puppy to begin the 2012 season, per viewtopic.php?f=8&t=11928 .

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Suzuki DF250 Repower update:

First impressions – No noise, no smoke and no OB shaking at idle. The start-up sequence is 5 to 15-minutes idle before putting into gear, per the break-in procedure. I was at idle with the boat still on the trailer, OB in the water, when my brother got out of the tow vehicle, walked down the ramp and asked “Why haven’t you started it?” He was only 10’ away, but on the off-side of the pee port, so he couldn’t see the cooling water discharge … and even though is was a cold and rainy 58-degree day the other week when I launched her … she idled smooth and quiet and with zero smell or smoke. The rest of that day was varying headway to semi-cruising speeds to 3K max RPMs.

4-Hour Break-In Update:
I have 4-hours on her as of now. Turned screws for 4000 RPMs (max I can do for now per the break-in), and that gave me 27-28mph and 2.7-2.8mpg. This was with a crew of 4 adults and 4 kids on board, with all typical gear carried (less tuna gear [not left on the boat]) and 60-gallons of fuel aboard.

Zero stray 'noises' reasonate from either the hull or cabin and at cruise one can carry on a conversation easily. The only time I hear the infamous Suzi "growl" (sounds really AWESOME to me, akin to the Allsion engine in the WWII P-51 Mustangs pulling full manifold pressure!) is when accelerating up onto plane. At cruise speeds she's quiet. At idle headway speeds and with the full transom you need to look at the OB pee port (or the tach) to confirm that she is indeed still running ...

The motor appears to be mounted too deep, too much spray around the lower leg, but I anticipated that and can change it later. I have to use the trim tabs much more than I should too, but that is either due to the OB mounted too deep or the design of the huge 16” diameter Suzi prop adds bow lift, which some prop blade designs do.

Regardless, I’ll have to wait for the 10-hour break-in to be done before I can come up with any hard conclusions. More repower updates to follow ...

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Mon Jun 11, 2012 4:49 pm 
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DaleH wrote:
More repower updates to follow ...


Sweet.
Looking forward to them!

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Mon Jun 11, 2012 8:53 pm 
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Keep them coming please! Very interested in that motor.

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Tue Jun 12, 2012 8:26 am 
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As I've mentioned in the past, I'm a huge Suzuki OB fan. Our DF200 has over 2500 hours on it, most of them idling in mud, with occasional blasts of full throttle to maneuver. Maintenance has been spotty at best... and yet, it has been incredibly reliable, quiet, efficient... basically perfect. Change the oil, change the WP every two years, LU lube every year, and swap the prop 2-3 times a year. Other than that, we've had to replace two helmet latches (our fault), and the internal fuel filter a few times.

I'd like to see how it runs the 2520, maybe you can have a run-off between a Suzuki DF250 and a Yamaha F250.


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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Tue Jun 12, 2012 8:35 am 
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sparky wrote:
I'd like to see how it runs the 2520, maybe you can have a run-off between a Suzuki DF250 and a Yamaha F250.

No contest so far ... the Yam would have cost me $4K more for the motor, $2K more for the install (per the selling dealer), and I'd have to run 89 octane to realize 250 horsepower :shock: . Ohhh, and then worry about low and high pressure fuel pumps failing, VST filter issues, clogged injectors ... and corroding exhaust housings et al ... :shock: !

I personally do not know of even ONE Suzuki V6 four-stroke with a similar issue on any single motor! Yup, I made a dayum good choice :D !

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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Tue Jun 12, 2012 10:28 am 
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DaleH wrote:
sparky wrote:
I'd like to see how it runs the 2520, maybe you can have a run-off between a Suzuki DF250 and a Yamaha F250.

No contest so far


I meant a runoff for speed and fuel consumption, the maintenance won't be even close. How's your dealer support, that seems to be the issue we've had. Dealers are few and far afield.


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 Post subject: Re: 2520 Sport Cabin mod-V repower
PostPosted: Wed Jun 13, 2012 11:54 am 
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Suzuki DF250 OB Performance report:

WOT is 5800-5900 RPMs, redline is 6100. Only had me and 1 small ‘new’ crew (the 13-year old) aboard, with 50-gallons fuel, all typical gear, and while I would have preferred to turn screws closer to 6K, but I'll take it. The prop starts to slip above 5500 RPMs, as I realize no appreciable difference in speed once above 5700 RPMs, yet fuel burn still increases.

5800 RPMs, 40 MPH, 1.8 MPG

5500 RPMs, 38 MPH, 2.0 MPG

4000 RPMs, 27 - 28 MPH, 2.8 – 3.0 MPG

1500 RPMs, 7 - 9 MPH, 6 - 8 MPG

Idle … can’t even hear the freakin’ motor purring!

Cruise speeds > 4K RPMs … low throaty growl, but as quiet as any other 250hp powered boat I’ve ever have been on, at least those with full-transoms.

Lessons Learned:

To me it proves my "big girl" is not a performance boat. Once you see no appreciable speed with an increase in RPMs, then you know the prop is slipping. This indicates that either the hull design is at its performance limits (mod-V hull can't 'climb' any higher out of the water!), the prop is at its limits, or one needs more horsepower. I'm sure glad I didn't spring for a 300hp motor and opine that, at least for Parker boats of the 25' mod-V hull models, 250hp is probably the optimum powerplant.

Note to CP:

Parkers are NOT Go Fast boats …

Parkers (mod-V hulls anyway) are NOT speed boats …

... but that dang are TOUGH, reliable, well made, and fully-configurable fishing boats :D !

I’ll develop a full RPM/speed/fuel efficiency table and will publish it later, but all in all I’m thrilled :D !

’New’ crew report:

Savannah had a blast catching her first striped bass, schoolies that they were. I taught her how to fan cast an area as well as to cast the jig and slowly count up to a number before the retrieve (to let the lure sink), and adding more numbers to the count until she found ‘where’ the fish were hanging in the water column. After that, it was fish after fish. Not bad for her first time fishing the salt!


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