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Repowering 2002 Proline 26 questions

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Repowering 2002 Proline 26 questions

Old 02-27-2019, 11:45 AM
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Default Repowering 2002 Proline 26 questions

Hi all. Just looking for a little advice on repowering my boat. BTW this is the first boat I have owned. My boat is a 2002 Proline 26 Sport. I believe it is the 2000 model hull with the 19° deadrise, 170 gal fuel tanks, and max rating of 400 HP. It is currently outfitted with a 225 HP Mercruiser (Yamaha F225). This engine runs great but the boat is sluggish with a even a small load of fuel and 4-5 people on board. It will run at 38 mph with my wife and 4 kids on board and 20 gals of fuel but with 120 gals of fuel it will barely plane at 24 mph. Now if all I wanted to do was pull the kids around on the tube that might be ok. But I want to fish too. Like real offshore fishing sometimes. I took the boat to the OBX last year and went out Oregon inlet all 3 trips. The boat did great, love the size and handling. But it feels a little slow for going out 30+ miles. I had a good load of fuel 130+ gals and only 2 guys on board so I was able to run about 32-34 mph at WOT or cruise at about 28-29.

I live in the DC area and want to fish out of Norfolk and the OBX a few times a year as well as locally as much as I am able. Now for local fishing it is fine as it sits. But for offshore I feel uncomfortable with having only one engine and going so slow. I am a private pilot and have enough experience to know that when bad weather starts to roll in it can happen very fast. I understand the importance of knowing the weather before you go, but I have seen enough times that violent weather can arise with only a couple hours warning or less. A faster boat would be safer. Not SAFE, just safer than a slower boat!

I have seen several videos of the later model of my boat, the 26 Super Sport, equipped with twin 225s. This setup can run what looks to be about 55-60 WOT. I have no idea on loaded weight or anything else. The first question is whether I can safely mount twin 225s onto this hull considering the weight and thrust on the transom. Will it sit too low in the water? Will the transom handle the thrust? (The boat is SOLID and only has a few hundred hours pulling tubes and puttering around. Owned by an older guy who took his grandkids out boating and the occasional dinner date. He never even turned on the chartplotter....)

If not, then twin 200s should be fine. Second question is, if I can mount twin 225s, does anyone have performance figures? Does anyone have performance figures for twin 200s?
Any other thoughts? Or did I miss anything?
Old 02-27-2019, 02:32 PM
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2 x 200 Is perfect on a 26 Proline, will run high 40's or even kiss 50 when light.

The older 240/25 was a 19 degree hull, the newer 26 euro transom boat was either a 20 or 22 degree bottom.
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Old 02-27-2019, 04:51 PM
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If you want good miles per gallon and don’t need a speed over 52 then a single 300/350 will do you’re fine.
Old 02-27-2019, 04:57 PM
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Single 350 Suzuki and a Sea Tow membership.
Old 02-27-2019, 05:24 PM
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I checked out the PL archives to see the boat/Hull you have.....
I own a 251 WA that I re_powered with a single Suzuki Df300. A very similar hull in length, width, and deadrise to your 26.

The Hull likes to cruise in the 25 to 34 mph range. I have seen 47mph at wot and about 50 gallons of fuel ( hard top and full curtains). But, it is very trim sensitive and wants to porpoise. Full fuel makes the porpoising worse. I have tried 5 different props but I haven't cured this issue yet.

Unless you get performance reports that tell you 2x200hp work on that Hull, I wouldn't recommend going that route. I think you will have more hp than you can comfortably use.

Our boats are pretty light and have the 19 degree deadrise. They are not a 40mph offshore boat. Accept it for what it can do so you are not disappointed when it doesn't perform as you hoped it could.
Old 02-27-2019, 05:34 PM
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Wizard you know your Prolines and your advice is sound but most of the 26 Prolines built shipped with 2 x 200 Hondas and they run great with it. That said a single 300 would do her pretty fine too.
Old 02-27-2019, 05:48 PM
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Originally Posted by HTJ View Post
Wizard you know your Prolines and your advice is sound but most of the 26 Prolines built shipped with 2 x 200 Hondas and they run great with it. That said a single 300 would do her pretty fine too.
Since I also own a 24 super sport (22 deadrise), I will tell you that my Df225 pushes that Hull easily. I would not hesitate at all to put a 300 ( maximum hp rating) on that boat.
Old 02-27-2019, 06:56 PM
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Well... dang, so the 225s are out...
I have seen several of this exact hull with twin 200s from the factory and it is rated for 400 hp so I know those will work. The issue with twin 200's is availability of used engines. However, there are currently at least 3 sets of twin F225's on this board for sale. Been looking for about 8 months + for a pair of twin 200 hp and they just dont show up often.

Yes I have considered a single 300 or 350. I fear the 300 is too small still. My concern is safety. The time to get to shore at 40 mph vs 28 mph from 55 miles out is dramatic. I feel like if my boat will do 40-50 mph witha decent load of fuel that is fine, 28-32 mph is not. Going 30 miles offshore with a very light load of fuel (40 gals) seems unwise but I can get 34-36MPH. Actually my wife is practically insisting the boat is too slow and she doesnt want to go any distance out of eyeshot of land without being able to go faster.

According to the PL 26 Sport manual, the base weight of the 26 sport is 7,500 lbs. Mine has the hard t top and weighs an extra 1,000 lbs,so now at 8,500 lbs. Total weight of fuel (170 gals) is a little over 1,000 lbs for a grand total of 9,500 lbs. That seems like a significant amout of weight for a 225 hp engine, even with a half a tank.

Thanks for the input, looks like twin 200s if I can find them or a single 350 are my best options. May have to wait for used twin 200s yamahas or hondas to come up for sale.

Someone mentioned a Suzuki 350...hmmm, not sure about all that.

Thanks for all the input.
Old 02-27-2019, 07:25 PM
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My 26 pl wa goes 46ish with 300 vrod. 23 degree deadrise?
Old 02-27-2019, 08:06 PM
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OP dont sweat the speed, the days you can run faster than a 300 will comfortably push you will be rarer than hens teeth.

If you're stuck on twins a pair of 150's shouldnt be that hard to find and would also work great. My old 25 Proline was thusly powered and would run out at 53 most days and cruise easy at 30 - 38....and I cant recall a single day in the GOM I ever needed more speed.
Old 02-28-2019, 04:16 AM
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OK Thanks HTJ, and everyone else

Yeah, I'm overthinking it. Cruise at 30-38 would be great, that's really what I am looking for. I actually am ok with how it runs now, well except for a good fuel load, but that's only when I want to go offshore. I may not need much more power. Or I might just deal with it. The engine I have is in perfect shape with a ton of new parts, low hours, perfect compression and runs like a top. Hard to trade that for an unknown used pair of engines.

I have the fever so bad right now I just want to go fishing offshore. Just saw they caught a 560 lb and an 800 lb BFT down out of the Oregon Inlet Fishing Center in the last week.
Old 02-28-2019, 06:07 AM
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If you were to go with twins you need to find out if the transom can handle the weight of four strokes.
Old 02-28-2019, 06:57 AM
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OP don't discount the idea that your rig may have more performance available via engine height and propping - virtually 103% of new boats are shipped with a too low motor and poorly/over propped, I would wager a warm beer or 3 that a Powertech OFS4 16p prop and raising the motor one hole would make her come alive.
Old 03-01-2019, 07:29 AM
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Originally Posted by cayman donzi View Post
If you were to go with twins you need to find out if the transom can handle the weight of four strokes.
One of the factory options was twin 200hp Hondas which I am pretty sure were always 4 strokes. Did Honda ever make a 2 stroke outboard? I didn't think they did but I could be wrong.

Originally Posted by HTJ View Post
OP don't discount the idea that your rig may have more performance available via engine height and propping - virtually 103% of new boats are shipped with a too low motor and poorly/over propped, I would wager a warm beer or 3 that a Powertech OFS4 16p prop and raising the motor one hole would make her come alive.
Currently running a Solas 3 blade SS 15.25 x 19. I actually did mess around with a bunch of different props but boy was that a nightmare and a long story. Never changed the height though. Every prop but 1 had much WORSE performance. We used Prop Gods to try to figure out which prop but none were any good. Most were so bad they just slipped after 2000 - 2500 rpm, a couple were just bogged down the whole way through. Took a while to find the real issue though.

When I got the boat it literally had maybe 10-20 gals of fuel on board. On the sea trial we got it up to 38 mph and 5600 rpm. I got it home, went and ran around in it pulling the kids on the tube and put maybe 20 gals in it. By the time we finished running around that day it would not turn over 4,000 rpm or even plane. One of the cylinders was scored. The previous owner had left it sitting for a couple years. Lynnehaven Marine who I bought it from did a ton of work but failed to change the aluminum check valve that sits next to the VST and it was horribly corroded inside and released particles that plugged the #5 injector. Which lead to a scored cylinder and a new powerhead. The first day I ever owned a boat.... Anyway 8 weeks later I get my boat back and take it out and run it and it ran great, 36-38 mph and 5600 rpm. That night I took it out of the water and put 120 gallons of fuel in it for a total of 130-140 gallons in the tank. The next day I took it out again, and it would barely plane at WOT at 25 mph and 4,400 rpm. So took it back to the shop thinking something was wrong with the engine again. AND I explained the fact I put fuel in it and how much! They proceeded to change EVERY single part of the engine chasing the issue, New injectors, pumps, VST, hoses, rails, plugs, etc etc etc. And could not get it to run right. Finally brought in Yamaha tech and he said my engine is as good as brand new and suggested a prop issue.. So they tried a dozen different props. No joy at all. Finally they figured it might be the amount of fuel. So the gave me my boat back told me to take a bunch of fuel out and see what happened. Sure enough, took 120+gals of fuel out out and it instantly ran WOT at 5600 rpm and 36-38 mph. This is really why I am unhappy with this size engine. It is simply too small for this boat. I don't think any amount of re-propping or moving the engine would help. I simply need more hp to move the boat with any decent amount of fuel over 10-20 gallons.

I imagine a 300 on my boat and it running at only 30 mph at WOT with 100 gallons of fuel load instead of 25. Seriously I am scarred by the HORRIBLE performance of that 225 on my boat. With 100 gals of fuel at WOT it will juuuuuust barely plane at 25 mph and 4500 rpm, I know that bogging down an engine that bad is not good for it. Will a 300 actually allow me to run a leisurely 4500 rpm and 38 mph? I kinda doubt it. I only want to repower once, and if a 300 doesn't fit that bill I would be really irritated at that. I think I will confine my search to a 350 or twin 200s. I seriously doubt an additional 75 hp will move the boat and a decent load of fuel at a cruise of about mid 30s. At this point I would rather overpower than be forced to only take 40 gals of fuel offshore.

I hear what some of you guys are saying. I am concerned how some of it stacks up to what I have documented with the power, prop, load, and speed of this boat. Man this is hard. I don't really want to spend the money but I feel like money spent on a 350 or twin 200s would be well spent. I think I have realistic expectations of cruise at 4500 rpm at ~35 mph, 100+ gallons of fuel, ice, gear, and 4 people on board with twin 200's. If I can do that with a 350 great. I am very concerned a 300 is too small.
Old 03-01-2019, 07:47 AM
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Sounds like you have felt some boat ownership pain

Yes a single 225 is getting kind of light in the britches on that hull but you are doing yourself no favors with a Solas prop and 19P is flat out too much - I wouldn't expect it to run right with a load but that is not the motors fault. The right 16/17P prop should have that boat topping out at 38/40 and cruising 27/29 at 4K RPM.
Old 03-01-2019, 10:35 AM
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Originally Posted by HTJ View Post
Sounds like you have felt some boat ownership pain

Yes a single 225 is getting kind of light in the britches on that hull but you are doing yourself no favors with a Solas prop and 19P is flat out too much - I wouldn't expect it to run right with a load but that is not the motors fault. The right 16/17P prop should have that boat topping out at 38/40 and cruising 27/29 at 4K RPM.
Sorry, I did fail to mention that I did find another prop that works better than the solas prop that came on it. I bought it, but I have no idea the diameter or pitch. It was a nice SS prop the mech had that was a used Yamaha prop for the F225. It's a tad smaller in dia with smaller lobes than the Solas, but no idea on pitch or definite size. No markings on it. And it does run about 38 mph at WOT and cruises right at 30 at 4100 rpm so I suspect it is either the size prop you mentioned or VERY close. It is better that the Solas prop that come on the boat.

Thanks for the help HTJ. I really appreciate it.

Rest of the prop story if you are interested…The mechanic looked and tried to get some help from prop gods on the prop but the props that were recommended always slipped after a few thousand rpm. The whole thing was surreal. We tried about a dozen props. I remember him telling me that a 19P was too much and it should be about a 16P. So we tried one and it started slipping right about 1500 rpm. He finally got tired of just trying different props so he gave the rest all to me. In one day I tried 5-6 props. NOT a single one was even close to working. I don't think I ever got the boat over 10 mph. 3 slipped, and the other 2 bogged down the motor. And he was using prop gods and other recommended sizes. Remember I had 130-140 gallons of fuel at the time I was trying these props. So that may have had something to do with it but the whole thing was weird. I took all those props back and he gave me the used SS Yamaha prop as a last ditch effort and said try this and see if it works. Took and tried it and it worked great. Better numbers than with the Solas prop. At least I could get over 25 mph with all that fuel on board. Called and told the mech what the numbers were and he started asking me about the fuel situation which I had already told him once. He asked me to take some fuel out and see what that did. He said take at least 100 gallons out and report back the numbers. Of course that was the issue. At that point I had the original Solas prop and the Yamaha prop was on the boat. After I took out the fuel I ran it with each prop and they both ran about the same with the Yamaha prop getting the best speeds and time to plane. A couple seconds faster to plane and 2-3 mph better speed WOT, cruise at 27 mph and planing at 4100 rpm with the Yamaha prop instead of 4500 rpm and barely maintaining plane at 25 mph with the Solas.

A couple days later I took the boat to the OBX with the Yamaha prop and 120+ gals of fuel. I ran all over the place at on 3 different days. It got a lot faster as the tank emptied, going from 27 to 38+ at WOT.

During that trip I found that the boat does well at 32-36 mph even in kinda choppy conditions. Running back home the last two days I was pushing over 30 and up to 35 (with less than 40 gallons of fuel) and it ran great even with waves (not sure I know how to estimate wave height yet). Just a little higher rpm than I would have liked. I would have rather been cruising at 4000 to 4500 rpm at those speeds instead of 5000+ rpm. I pushed so fast cause I wanted to see how it would do as far as speed and waves and everything (and we were beat).

Old 03-01-2019, 12:16 PM
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One thing to note. Repowee if and ONLY 8f you plan on keeping the boat a LONG time.

I repowered from 2S to 4S. Loved the 4S but decided I needed a bigger boat. Yes the old boat is worth more but the truth is I could have sold it long ago if I'd not upgraded.

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Old 03-11-2019, 06:19 AM
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My 2002 has a 2017 suzuki 300. Runs 46mph. (just listed for sale too)
Old 03-11-2019, 06:42 AM
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Originally Posted by oceantrav View Post
My 2002 has a 2017 suzuki 300. Runs 46mph. (just listed for sale too)
46 mph WOT? How much fuel?
Can I ask what cruise and WOT mph is with full load of fuel?
Old 03-11-2019, 08:18 AM
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Originally Posted by Belaurora View Post
46 mph WOT? How much fuel?
Can I ask what cruise and WOT mph is with full load of fuel?
had around 50 gallons. Didn’t play with it much, and trim tabs weren’t working. Bought the boat a few months back and only put like an hour on it, been having it all redone these past 6 weeks, so haven’t taken it off shore yet. Will let you know the numbers this weekend if we go offshore

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