They LS Swapped a BOAT and brought it to LS Fest East 2019?!
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- Опубликовано: 8 сен 2024
- This is the first and only boat we've ever seen at LS Fest! The owner saw the LS powerplant as being a simple, affordable, and reliable solution to replace the original engine in this boat. The fact that it's fuel injected, small, powerful, and cheap made this swap a no-brainer!
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Im happy to see someone else had the same idea. Im finishing up a build for a 6.0 I ripped out of a 2001 Silverado. Trying to push my 21' past 60 mph though. I've heard these alphas can handle the higher power as long as you baby the throttle.
Alpha 1 G2 will take 350HP but DO NOT hole shot it...Boat weight will matter to as well as prop pitch.. But I am no expert.
Hey driver, add some trim to raise the your bow. Will free up mph.
Set the rpm limit up another 2500 rpm while hes at it :))
Roadkill did one of these a few years ago. I think they used a bunch of Holley stuff too
They sure did! Took the LS out of the muscle truck after they towed the boat to the lake and put the engine in a jetboat!
OKI figured out almost everything for the LS swap but what did you use for exhaust manifold Are they custom?
I would really like to try this conversion I have a 29 foot formula go fast that did have to 454s I would love to put two 5.3 fuel injection or two 6.0 where do I try to find the brackets and wiring harnesses not really finding any literature
CP Performance, and Eddie Marine aka EMI. Check out the LS pages on Offshore only dot com. Be sure to use marine rated fuel delivery, carburetion and electrical. Car stuff can explode. The exhaust is costly, the result will be stupendous. Blowers can be intercooled with lake water, which can give tremendous power. The only water cooled turbochargers are OE, ie.outrageously expensive. But turbos are well, awesome.
I built a 10:1 383 for a 22' Formula. In retrospect a less exotic big block would have cost less. You can do a lot with big blocks, but the LS is tempting and lighter and can be built to big power once you get past the initial cost of mounts, cam and the stuff I mentioned. HTH
Been six months since you commented but I’ve been doing research about a 6.2 aluminum block swap. Came across a company that developed a 7.3 liter ls based engine that saved 450 lbs per engine over a big block and made more power and better mpg. It’s the little stuff that is gonna cost the most to convert.
@@keystonerider1308 whats was the name maybe they have ls1 kit as well
Joe Stamper I believe it was raylar engineering.
The part i want to see is how did they get the engine to mount to the inner transom assembly and what did they use for an engine coupler that will work with the alpha drive?
lots of vids and kits for this. Google it
Mercury, and Mercury. Ls engine has the same bell housing bolt pattern as sbc. Mercury bell housing would bolt right up and alpha coupler would bolt right to flywheel.
That hull is very similar to mine windows and all mines a 1979
You'd pick up speed with a little trim
What manifold did you use?
A Stock 5.3 Vortec Manifold
how did you tie in the shift interrupter?
Got a 2018 l83 5.3l in my boat, what fuel pump did you use? Mine can't keep up, bogs down and runs lean from lack of fuel.
Jack. If you are using OE fuel lines start by getting everything to 3/8 ID. Mercruiser is 5/16. This includes all fittings. Make sure your lines have gentle turns, and they need to be metal to be marine rated. I tapped out my fuel water separator housing and went to a return fuel system for my marine 383. Finished it after the season. Better not go lean any more!
Oh, my pump is Marine Holley Red. No way a 400 or 430 horse motor will overload that.
He needs a bravo!!!! Open it up!!!
I see you have drive by wire. How did you do that?
This is awesome how easy was it. What does someone need to do this conversion? Manifolds?
Crusader exhausts will run around 1500. Also have to make sure your using an oil cooler on this.
Is there a kit?
How is the alpha drive holding up, I read somewhere they are only rated to 260 HP?
Run it until it breaks!
@@dude7838 and then when you have no money left over from the cost of that project you'll wish you treated your alpha drive a lot better
B is for build could swap one of these
Im surprised this isnt more popular
if the manifolds werent so expensive im sure alot more people would do the switch
@@keithquillan5721 why not make your own?
It is getting more popular. I'm doing a 23' Chris Craft with a 5.7 LS1. Lots of stuff done to the engine. Should be around 550hp N/A.
I heard the older 302 ford boat manifolds line up and you just redrill and tap the heads. 😉
@@bills2999 I see this was 3 years ago. I've got a scorpion 230 limited of love to ls swap. Did you finish the build?
Hola soy quiero saver algo cómo me puedo contar contigo
Not the first LS powered boat I’ve seen...
whatever you do, DO NOT say what kind of boat it is. thanks
It does look a lot like a seaswirl hull
but did you change the internal parts crank cam pistons ?? need marine not auto that crank will not handle the RPMS
Lol
All merceuiser 350’s 454’s 502’s and 496 metric motors use a “truck engine”. It’s the same crank, camshaft, pistons…. It’s just been marinized with cooling system and exhaust. There is no such thing as a marine crankshaft and nothing special is needed beyond the external parts. When you get into big horsepower then forged rods, crankshaft etc are in order. Ask me how I know
@@nordicpride9708 take a 350 out of a truck switch mounts and flywheel and engine coupler and run it at 4700 all day long and see how long it lasts tell me how that goes change nothing but exhaust manifolds flywheel engine coupler and mounts and see how long it lasts running at 4600 for hours on end
@@THEGMDOCTOR-co9vp I have a 350 in my mirage that’s from a truck dipshit. Where do you think they (merceuiser) sourced the motors? It’s a truck engine. That’s a fact. Some of the later motors received marine cams, but mine and most 350’s shipped direct from gm and were simply marinized. Truck engines have “inconel” exhaust valves and RV style cams which work well in marine environments. I’ve actually built a few high performance versions and of course they are dealing with reversion and high rpm. My truck engine runs all day long at 5000 rpm. Merceuiser didn’t rebuild the old 350’s and 454’s, 502 black motors. Again facts. The blue motors were in house custom builds
@@nordicpride9708
I’m not cursing at you don’t curse at me and who gives a fuck I am doing all marine I don’t fuck with automotive it’s for pussies fine run automotive I won’t simple and done goodbye
Cool, just another boat with another v8 lol ls becoming boring now
It only does 60? My Bullet bass boat 85 gps! Why does everyone call these truck motors LS motors! My Chevy truck has a 5.3, my C5 Vette has a real LS motor! This video 👎