I want to go FASTER !

[John_S]

Re: I want to go FASTER !

"im sure the boat is water logged. I rescued it out of a farmers feild 8 years ago. im re -fitting the boat compleatly. (including foam & stringers) thats why im not afarid of hull mods. i was even thinking of doing a stepped hull on it."

My recommendation is to do all interior work first, before buying any motors or planning other work.

 

[riverjet502]

Re: I want to go FASTER !

I like the idea of your antique sleeper.....go for it !! But then I luv projects too.. Since you are redoing the hull down to bare bones, stringers and all, you will know exactly how its built and the overall condition. Don't forget to make sure that last 6 ft of the hull is straight with no hooks or rockers. Also where the transom meets the hull is sharp, so the water breaks clean. I would build a 383 stroker with aluminum heads. 425 hp is a cake recipe any more for these engines.. Just have to be careful on how you apply the power to the out-drive so you don't blow it.. No wake jumping or hole shot after hole shot and it should last awhile. I luv the idea of an antique'r blast'n bye it's modern cousin... Have fun with your project....Don't forget to lable your "new" engine with 283 stickers...lol.lol...

 

[mkast]

Re: I want to go FASTER !

I remember hearing, "If you put enough horsepower on it, even a boxcar will fly!"

 

[Cptkid570]

Re: I want to go FASTER !

You also have to ask yourself if it's worth $3000 to $4000 just to go an extra 10mph... and then ask yourself how often you are really going to go that fast.

Heck, to be honest, you could spend that $3000 and get a jetski as a 2nd watercraft.. get your "need for speed" out of your system on the jetski, then go back your boat for cruising around..

Just another way of looking at it....

 

[wca_tim]

Re: I want to go FASTER !

my 88 18 ft, ca 2200-2500 lbs, full gas, normal (not not excessive) gear on board, new / tight 4.3 w vortec heads, edelbrock carb and manifold, and careful tuning, etc.. is hitting 60 - 61 routinely (WOT 4500-4600 on average) with the latest prop change and still does really well out of the hole (ported 26" Turbo I bought for $80 off ebay has been by far the best, have a couple more to try tomorrow, including an interesting looking 4 blader). With a 23" Laser 2, routinely hits 55-56, 4800 at wot. Not positive tach is dead on, but it seems consistent. speeds are by gps.

 

[oops!]

Re: I want to go FASTER !

i was thinking turbo, but have not seen them on boats too many times.
how is it done?
straight thru? what about the manifolds?

oops

 

[oops!]

Re: I want to go FASTER !

thanks for the responces guys
keep them coming!

i think im going to go with a 350 efi

the budget on the re fit is 25,000
so there is enough room to do the engine,
there is a lot more to this refit than motor. but speed vs fuel is a mojor consideration. (im such a cheap@#%$%)

i know you all think im crazy spending that kind of dough on a re fit of a 19 footer.

im going to re-fit this boat in the spirit of american choppers.
the theme is a corona extra boat. from logos in the fiberglass to the bottle cap steering wheel, to the embroidred upholstry and bimini top.

corona has been approached with this idea. still in deliberations. well see if they give me written permission to use the trademark on the water!!! (just think about that one for a sec! it could go either way!)

if sucessfull, it will open a whole new market for old used boats.
there is lots of other "extras" i plan on doing to the boat, some stuff right off the wall!!!! (hence the fantasy gaget thread, dockside chat)
(more later)
but this is an engine thread.

can i get 55 (and if the stars are in alignment) mabe 57 out of a efi 350. (the stock max hp one) or am i gonna need a roller cam to get the revs?
correct me if im wrong. but do i need ponies while planing over 4500 rpm? can i go 5500 with a roller? and still acheve accelleration? i know the hp curve goes down with a roller at max rpm but do we need ponies at max planing? or just raw rpm?
if i can get another 1000 revs, therotical prop speed should increase????

heres another can of worms.... what will a bravo three do for me?

and........ btw....... i can only use ss props for show. the lakes i boat in are two shallow to go ss. ive naver owned a prop i didnt destroy. (and im SUPER carefull) so alum is the only choice for everyday criusing.

thanks agan for all your fantastic realistic responces!

cheers guys

oops

 

[riverjet502]

Re: I want to go FASTER !

With your budget.... I'd forget the mouse and go rat...

You'll fly with this rat motor....and it will only set you back @ $12,500 and another 3K for some quality exhaust manifolds & risers to let this bad boy breath....Tim Allen would be proud of Ya !!!!!

 

[MikDee]

Re: I want to go FASTER !

I had a 1979- 20Ft SeaRay bowrider with a 5.0 (305) 4bbl 228hp Mercruiser it had an unpainted slick bottom (fresh water boat), I put it in the Great South Bay of Long Island, then put thru-hull exhaust on it, and I richened up the carb mixture screws, put some Mag style spark plug wires on it, Champion plugs, & synthetic blend 10-40W oil, with a 19" pitch aluminum prop it would do 48 regularly when fully trimmed out, I remember surprising a couple kids pacing me in a 17' Boston Whaler with an 85hp motor, they were keeping up, until I trimmed out, then I was gone! The look on their face was priceless,,,lol,,, and after a friend gave me a brand new 19" pitch Mercury aluminum prop, I could actually hit 50! and that was a heavy boat, I wished I had a 350/260hp at the time, I'm sure I could have gotten at least 55mph out of it, but it also was not bad on gas with the 305. So, In answer to your question, Yes, I think 55 is doable on your boat with a 350 motor.

 

[SuperNova]

Re: I want to go FASTER !

OH that old dilema. There's three things you want in a boat drive:
1. Top Speed
2. Great hole shot
3. Great fuel efficiency

The catch is you can only have two of the three. Now choose. LOL

On a side note- oops, you say you are cheap as @#$@, but you are dropping 25 large on a very old boat. You might be better off buying a newer boat and refitting it to look like an old boat. ;d Just an idea.

If you are completely gutting the hull, I wouldn't think turning it into a step-hull would be any problem, steps are not complicated or difficult to create. Also, To achieve your goals better, I would create a flat on the back section of the hull for it to ride on at high speed- It'll make that old hull more stable at that kind of speed---if you liked puns you might say it would be less of a "High Plane Drifter" lol. The last thing I think you should take into consideration is whether or not that old hull is tough enough after all these years to take the kind of beating high speed stresses place on a hull. You know fiberglass is subject to fatigue and actually does have a finite lifespan, right? Just because you are replacing all the internals, doesn't mean the hull is structurally sound. I am currently scrapping a rescued "free boat" because the hull is fatigued beyond being safe. Just some thoughts.
--
Stan

 

[MikDee]

Re: I want to go FASTER !

On a side note here, both my old SeaRays a 79- 20' Bowrider, & a 79- 24' Cuddy, were a bit skittish at full trim, meaning slightly out of control, I'm thinking it was the old hull design, a deep vee mid hull, to a mild vee in the back.

 

[Dakota47]

Re: I want to go FASTER !

I want to go faster! Me too. go with a GM crate motor ...

 

[whywhyzed]

Re: I want to go FASTER !

$25000? you mean $2500?

My boat goes 53mph and I got less than $2500 invested in the whole rig. New roof, new engine, spare outdrive, spare new engine, 5 or 6 props, trailer and all. to invest another $23000 I would expect to be going well over 100mph.
Buy my boat.... I'll deliver it to you guaranteed to go 70 mph for $20000... how's that sound?

 

[Tail_Gunner]

Re: I want to go FASTER !

I want to go faster! Me too. go with a GM crate motor ...

This would be my choice. "http://www.crateenginedepot.com/ZZ4-Crate-Engine-350CI-355HP-HO-with-Aluminum-Heads-24502609-P4C2.aspx"]http://www.crateenginedepot.com/ZZ4-...2609-P4C2.aspx[/URL]

ZZ4 Crate Engine 350CI 355HP HO with Aluminum Heads 24502609

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The aluminum angle plug cylinder heads have screw in rocker studs, 1.94" intake and 1.50" exhaust valves and 58cc combustion chambers that yield a crisp and responsive 10 to 1 compression ratio. Also included are our lightweight valve spring retainers that weigh half as much as our previous design. The valve seats are radiused and we've included valve stem seals to help keep the oil where it belongs.

To compliment the cylinder head design, we've incorporated a steel roller tappet camshaft with .474" intake and .510" exhaust valve lift. The combination makes 355 horsepower at 5250 rpm and has that great sounding muscle car idle, with just enough lope to let people know that this is no station wagon engine.

Also included with the ZZ4 is an HEI distributor with an ignition timing advance curve developed for performance, a dual plane aluminum intake manifold that accepts your spread bore or square bore carburetor, an 8" high-RPM torsional damper, 12.75" auto trans flex plate and cast iron water pump.

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__________________

 

[Robj]

Re: I want to go FASTER !

Having spent alot of time in Kelowna over the summer, where OOPS lives, it is obvious to me that he wants more than just to go fast. He wants an eye catcher or a showpiece. There are alot of nice boats in Kelowna, big $$$. In in the summer, it is the Bikini capital of B.C., great place to vacation. You get lots of attention from the women if you have a nice boat. Didn't get much attention with my fishing boat, but then having my wife and daughter along did not help either. lol

But I have to agree, if I had that type of coin, I would be looking for a different boat. Try looking on Craigslist in Seattle there are alot of nice boats on there which are reasonably priced and Seattle is not that far from Kelowna.

Have a great day

Rob.

 

[whywhyzed]

Re: I want to go FASTER !

Kelowna? ... hmmm...But you put the $25K in and this beat up thing still goes flying by your fancy "Persophone"......

(What every Canadian thinks of as "a faster boat on the west coast")

It's the boat I wanted to drive when I was a kid!

 

[oops!]

Re: I want to go FASTER !

super nova that was funny!!!!
and thanks bout the hull. the marine surveyor must give the hull the ok when the foams out before i proceed or this whole project is scrapped and im lookin for another hull.

tail gunner....where did you find that beast? my mouth is watering. im going to fully check that one out.

and rob..... you got it! i would buy a new boat but all the fish and skis just look the same. i really love the lines on this ol boat. thats why the re fit. ill start posting picks soon. BTW next time your up here, post me and ill bring my girl, we can meet at the el for a beer! hey congrats on the vancouver giants!!! they look like a serious memorial cup contender allready!

cheers guys keep the info comin

oops

 

[MikDee]

Re: I want to go FASTER !

i was thinking turbo, but have not seen them on boats too many times.
how is it done?
straight thru? what about the manifolds?

oops

By the way, wca tim, meant a "Turbo" brand prop, not a real turbocharger, and he has a 4.3V6 built up, with readily available parts that gets 55plus, that you could also do.

 

[MikDee]

Re: I want to go FASTER !

Here's something I've just came across that you may like, or need, act fast it's expiring soon, Mercury Marine 4.3 V6 EFI intake manifold New:
"http://cgi.ebay.com/ebaymotors/Mercury-Marine-4-3-v6-EFI-Intake-Manifold-compleat-NEW_W0QQcmdZViewItemQQcategoryZ31286QQihZ007QQitemZ170168445389QQrdZ1QQsspagenameZWDVW"

 

[jdtower23]

Re: I want to go FASTER !

I was looking at that EFI manifold also....what else would you need to convert to EFI? i'm getting a new Vortec motor so i will need a new carb and intake anyways....this may be the way to go....

Thanks