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-   -   Taking a 42 lightning triple and turning it to a twin (https://www.offshoreonly.com/forums/fountain/330963-taking-42-lightning-triple-turning-twin.html)

twin69 09-21-2015 06:53 PM

Taking a 42 lightning triple and turning it to a twin
 
Pros and cons of just pulling the center engine and running the boat as a twin. Not making it staggered just simply pull the center engine and run the boat as a twin. Any mph and Hp numbers?

Bawana 09-21-2015 09:48 PM

Yes it will be a dog. It will sit heavy in the back, will not take waves good, hard on drives.................

Saratoga Stamped 09-21-2015 09:54 PM


Originally Posted by twin69 (Post 4357262)
Pros and cons of just pulling the center engine and running the boat as a twin. Not making it staggered just simply pull the center engine and run the boat as a twin. Any mph and Hp numbers?

Waist of time,,,, no one will want it ( including yourself)
If you want to upgrade it,,, remove the motors, drives ,,, and sell it all

Then find a good used pair of 1075, w #6 drives,,, you will love the performance,,,,,,, it all comes down to money,,, and how much you want to keep the boat,,,
of course the other option is to
Sell the boat,, and find the power package you want in another water craft


Good luck

575cat 09-22-2015 08:02 AM

Read the TRL thread on how to spend $$$$$$$$$$$$$$$$$$$$$$?$$$$$$$$$$$ on drives with little gain .

twin69 09-22-2015 10:06 AM

Did they actually make a twin stepped boat 1998 ish without being staggered?

Ran-Dom 32 09-22-2015 10:34 AM

2 Attachment(s)
yes, they did.. I have a big step '98 Side by side, the cockpit is about 2' bigger as the bulkhead is moved back on a factory side by side boat, I love the extra room & it performs great, I believe the motors would be closer together on mine vs a factory triple set up (with center removed)

twin69 09-22-2015 05:44 PM

Great looking boat
What the power and mph? Thanks for the input

Unlimited jd 09-22-2015 06:11 PM

My buddy has a twin step side by side 42, it runs and rides great. I'm sure stagger would be a little better but so is a 47. As far as engine centers, who cares? I had to move mine out to 35.5" to fit my 604" tall decks with stainless marine manifolds.

Ran-Dom 32 09-23-2015 09:35 AM

1 Attachment(s)

Originally Posted by twin69 (Post 4357721)
Great looking boat
What the power and mph? Thanks for the input

Motors Started out as 540 Bulldogs, now 557's , made right around 700 on dyno
Runs 90, Might have more in it if I started messing with drive heights

indysupra 09-23-2015 03:44 PM

I have always liked your boat. Looks good.

242LS 09-23-2015 04:09 PM


Originally Posted by Ran-Dom 32 (Post 4357920)
Motors Started out as 540 Bulldogs, now 557's , made right around 700 on dyno
Runs 90, Might have more in it if I started messing with drive heights

I'd call that 90.9. ��

twin69 09-23-2015 06:16 PM

Thanks for the input

twin69 09-23-2015 08:15 PM

Does anybody know of anyone out there that actually has a boat that was triples and now runs side by side twins??

Unlimited jd 09-23-2015 09:05 PM

I really don't see the big deal, it's not like they moved the steps or changed anything about the running surface. Pretty sure I know what boat has you asking these questions. If it had come up the way it did a few months ago I'd be building that one instead of my 40

indysupra 09-23-2015 09:17 PM

What boat you talking about?

Drew555 09-23-2015 10:34 PM


Originally Posted by Unlimited jd (Post 4358184)
I really don't see the big deal, it's not like they moved the steps or changed anything about the running surface. Pretty sure I know what boat has you asking these questions. If it had come up the way it did a few months ago I'd be building that one instead of my 40

Center of gravity and drives closer together . That's the difference . Much better handling faster ride and easier to work on

twin69 09-24-2015 05:27 AM

It's acually not that boat in Nh. I found a nice one somewhere else, I'm worried about setting it all up and being disappointed with it.

indysupra 09-24-2015 06:06 AM

I bought the green and white one. I was curious what other one was getting converted. I'm converting mine to a stag boat. Glassdave is going to do the glass work.

rak rua 09-24-2015 06:42 AM

Here's another similar thread.....

http://www.offshoreonly.com/forums/f...untains-2.html

Doesn't really answer your question but if you're thinking about staggering, member 'eddie' would be another month further down the line by now. (See the last post) May be able to help you.

Anyone know the actual spacing between the two outer engines on a triple rig compared to the spacing between twin non staggered engines? Presumably measure from prop shaft. I know about cog and weight distribution but just curious...

RR

Unlimited jd 09-24-2015 07:43 AM

[QUOTE=Drew555;4358227]Center of gravity and drives closer together . That's the difference . Much better handling faster ride and easier to work on[/QUOTE
If the boat was available in all 3 configurations how does that screw up the center of Gravity? That boat could be ordered with side by side, stag, or trips, what's the big deal? In fact the cockpit being shorter and further forward should help offset the weight of twins side by side. How is taking one engine out of the rear not going to effect it but taking the forward engine going to ruin the boat? And as far as drive centers I've ran boats from 33"-37" if it's setup right for what it is it's fine. To do 34" on my fountain I would've had to run short decks with e top headers, I think my 604's will make up for the 1 or 2 mph I lost pushing them out 3/4".

Ran-Dom 32 09-24-2015 08:07 AM

2 Attachment(s)
My factory side by side '98 big step is 34" prop shaft to prop shaft , just measured it this morning.. I have tall decks squeezed in there with CMI split tube headers, I've rode on 3 other 42 Staggers (97 small steps, 99 & 2000 ) & in our Lake there's no noticeable difference in ride... I actually prefer the extra cockpit space our has

Ran-Dom 32 09-24-2015 08:27 AM

2 Attachment(s)
here is a transom shot of my twin side by side '98 & a triple '98 I found in the classifieds, notice the pad on the bottom is different , so there is some hull differences in the triple set up

joew. 09-24-2015 08:31 AM

My brother (tbone1993) sold his triple to a guy who converted it to a staggered. Turned out incredible! There is a thread here you can find if you look for it. We actually ran that boat without the center for a couple weekends while he was waiting on exhaust. Ran slower because it was dragging the drive but the CofG wasn't noticable. I'd have no problem running a side by side and looked at a couple before I bought my 05 staggered. Side by side having the extra cockpit and ease of docking sounded very good to me. Ended up with the staggered cause P57 took my 32 on trade.

indysupra 09-24-2015 08:43 AM

The one I bought has the pad but has a little hump in the notch for clearance for the center engine drive shaft and hardware.

indysupra 09-24-2015 05:13 PM

1 Attachment(s)
Comparison

Ran-Dom 32 09-24-2015 07:28 PM

Interesting .. What year is that boat? So seems like Reggie did change the bottom a bit depending in the original set up ordered

indysupra 09-24-2015 07:59 PM

98 but it's a lightning. Looks like the ex had a different bottom.

joew. 09-24-2015 08:22 PM


Originally Posted by indysupra (Post 4358492)
98 but it's a lightning. Looks like the ex had a different bottom.

There are a lot more changes to the hull then just steps. I certainly don't know them all but my brothers 98 hull is significantly different then my 05. For starters, the 05 is almost11" taller from the rub rail to beginning of the first chine or beginning of the bottom. not saying one is better then the other, just different.

rak rua 09-24-2015 08:24 PM

Single steps, twin steps, big steps, small steps, step placement, notched transom, standard transom, keep pad, no pad, did Reggie ever sit back, relax and say "there's just nothing left to do now, I can't improve on perfection?"

It's almost enough to make me want a Cigarette. Just pick the size, get a twin step if I can afford it and then keep adding gauges!

RR

Crude Intentions 09-24-2015 10:37 PM

The 42 bottom has been discussed. A lot. The ex and lightning in the 42 had the same bottom.

Crude Intentions 09-24-2015 10:38 PM

There was never a single step 42

Flyin-Bryan 09-25-2015 06:19 AM


Originally Posted by I.C.U.Lookin (Post 4358544)
There was never a single step 42

Here is a '97 single step 42'

http://www.offshoreonly.com/forums/a...-side-view.jpg

eugene.bermani 09-25-2015 06:44 AM

never say never with fountain:hitfan:

Crude Intentions 09-25-2015 06:46 AM

After some research that is the only one ever built. I concede on the never. Obviously Reggie didn't like it as he built 1. Here is an older thread on that boat.there are bastardized boats of every manufacturer who tried something they weren't happy with.

http://www.offshoreonly.com/forums/f...ngle-step.html

575cat 09-25-2015 08:58 AM


Originally Posted by twin69 (Post 4357262)
Pros and cons of just pulling the center engine and running the boat as a twin. Not making it staggered just simply pull the center engine and run the boat as a twin. Any mph and Hp numbers?

I have tail pipes to fit 500 manifolds if you want to go full staggered .

Ran-Dom 32 09-25-2015 09:02 AM

that's crazy..lol 97-98 Fountain was sure doing a lot of R&D ... 4 different set up's posted in this thread alone, I agree no other manufacturer spent so much time perfecting the same hull... Makes you appreciate all the hard work Reggie did , I guess that's why you still see the 42's kicking ass on the race course:cool-smiley-011:

Crude Intentions 09-25-2015 09:39 AM

I showed to RFIII on Facebook. He agreed one off that they didn't really like. Only one ever made. Lol


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