Tesla Powering my 30yr Old Italian Yacht? And Broken Diesel Engine Diagnostics 

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In today's episode we're checking out the hurt diesel engine, and talking about new engine options. Check out SimpliSafe here: simplisafe.com/bisforbuild. SimpliSafe is award -winning home security that keeps your home safe around the clock. It's really reliable, easy to use, and there are no contracts.
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Sep 23, 2020




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Comments 100   
Cristoffer NorBmw
Make a hybrid disel
dchase20 12 days ago
For electirc: Can you solar charge? For rebuilding current engines: can you go bigger and badder power levels? Turbo Upgrade it!
dchase20 12 days ago
Please God use Texas Speed! (They are like 40 minutes from me lol and they are bad ass as you well know)
J Morgan
J Morgan 12 days ago
Sounds like a nice blue sky idea
Jason Davies
Jason Davies 18 days ago
Cummins engines are the dogs danglies. I think you've been a bit unlucky if you've popped the head gasket. Just have it rebuilt, get it back in the water and thrash it! If you wanna tinker, get rid of that horrible red hull!!
Bill M
Bill M 19 days ago
Hauling that much gasoline on you boat turns that tank storage into a bomb if there was a leak. Stay Diesel. You have the Diesel motors already, and that keeps your classic boat a “classic.”. They are essentially maintenance free. I had a 453 Naturally aspirated Detroit Diesel in a 69 Ford truck. We carried 170 gallons of Diesel fuel. I inherited it when my Dad died. What a beast! if you have “off-road” Diesel powered equipment in your shop, you can get Diesel without road tax, it would be pretty cheap. I used to get 55 gallon drums filled, and fueled my “equipment” from the Drums. I also used Chevron 30Wt Delo oil for my oil changes, which I bought in five gallon cans. You must do your oil changes regularly, as well as a fuel filter and a water fuel filter as well as an oil filter for those frequent oil changes. Again, I vote and recommend keeping it Diesel.
mz daily fan page
mz daily fan page 19 days ago
Gas 4 turbos on a boat would be roudy
Scott Piette
Scott Piette 23 days ago
Engine rebuild...
Joel Bowie
Joel Bowie 25 days ago
I know this late but putting gas engines in that boat will reduce the resale value to almost nothing. I suggest you call Seaboard Marine in Oxnard, CA. They are experts on marine repowering and they can answer any questions you have, especially performance issues and prop sizing. Cummins has a number of reman enigines you might consider.
Tim Murphy
Tim Murphy 27 days ago
Pratt & Whitney PT6A ....Low maintenance, fuel efficient, High PowertoWeight ratio...need I go on?
kevyn terry
kevyn terry 27 days ago
Nothing was wrong with the Cummins you had , Just remember to check your oil every time you put Diesel in the boat !
Raymond Bigger
Raymond Bigger 28 days ago
Replace with smaller newer diesels.
mack man
mack man 28 days ago
Put in electric engines along with the batteries. Then on top of that, put in Generators that can run on diesel that can run the engines at 80% load when you need to go fast. Best of both worlds. Cheap range when you want to go slow, Not so cheap range when you want to go fast. Also, with diesel this setup, your range should be about the same as with nothing but diesel engines.
Charles Seymour
Charles Seymour 28 days ago
Best solution is to rebuild starboard engine and test the port engine.
Ed Carden
Ed Carden 28 days ago
I'm gonna vote for Deboss Garage collaboration before I get to next episode and find out what happened
Anthony Silverstein
Stopped watching once you spoke about 454s
Justin Frodsham
Justin Frodsham 29 days ago
You need diesel auxiliary power plant as a backup for your batteries. Insurance. Never stranded.
Paul Powell
Paul Powell 29 days ago
Stay with diesel it is actually more efficient for boats, it has more power, you have longer range, and those engines will go forever as long as you have fuel. Seen a Riva with das engines and yeah it had speed but it went through 300 gals in less than 15 hours, the vessel I was on we had 200 gals and went from long Beach ca, down Ensenada and back to san deigo the gas engines are also more flammable than the diesel, you would need to put blowers in the engine compartment to clear the fumes out.
Lynn Baum
Lynn Baum 29 days ago
Yanmars hands down , you’ll never regret
Tom Summers
Tom Summers 29 days ago
The ICE age is over. It’s been way over for diesel and way way over for gas, for awhile now. Many folks are converting worn out cabin cruisers to electric, but I have not heard of anyone crazy enough to try it on a planing hull. Good luck.
jay son
jay son 29 days ago
sorry bud,,, you need to watch your first video on your boat venture..... you said we buy projects and make them worth more,,,,, basically. watch your first vid and see what you said. dont bastardize that nice vessel and put gas junk ls power,,, get a couple 6bta cummins mills and raise the value on that boat
David Opperman
David Opperman 29 days ago
FYI there is no Z in dieSel
Al Levy
Al Levy Month ago
Been boating a long time including at one time owning a propeller shop. My take on your situation would be to buy either new Cummins motors or Mann motors, lighter, more torque. Advantage much less maintenance than gas, and much more dependable.
stewart crowe
stewart crowe Month ago
that " backfire" you mentioned was probably a crankcase explosion caused by oil mist ignited by bearings runing red hot, The excess crankcase pressure created was relieved by blowing the rocker cover gasket and the oil fill cap
J Griff
J Griff Month ago
What would be the cost to go Deere?
Tyrel Granger
Tyrel Granger Month ago
B is for build, more like D is for dumbass, because only a dumbass would put a gas in a 30ft yacht
ldimillo19 Month ago
you're crazy if you go gas
Chazzy B
Chazzy B Month ago
I once or twice went on a (sailing) yacht on auto-steer out of Nice, France, eastwards. The trip had all the excitement and interest of being on one of those kids rides at the fair with old style cars on a track. Way to make your life boring (a truly cruel fate for a Riva), which is "Born to Run". And I get you are not doing that. Your boat - your game. Should be fun. If they were designed to be diesel stick with it (I would - you wouldn't), then by all means upgrade the electrics and controls. Automate the hell out of it, but remain in control. Recondition your engines now and you have fun for a lifetime, and if Riva isn't Italian for fun, I don't know what is. Have fun, I'll be enjoying it too.
Ian Charlton
Ian Charlton Month ago
Stick with Cummins... overhaul both, new pumps, belts, bearings, injectors, turbos.... fit modern monitoring including CCTV in the engine space.... get the props refurbished/polished.... go chew some water 🙂🇬🇧
Steve H
Steve H Month ago
My vote is the Tesla engines. How much space would the electric system take to install VS. the gas engine setup? Could you add a solar panel charging system? Also check out the new battery packs that Tesla is making
Dencil Dean
Dencil Dean Month ago
plus gasoline engines if you forget to put the blowers on and you have a gasoline leak and turn the key they will find you on the moon
trekOCLVone Month ago
Just fix the engine !
Gas on a boat not to safe ! 🇺🇸
Alex Jeffs
Alex Jeffs Month ago
Do one electric and one fuel ?
Liveaboards of the Poor and Obscure
Diesel is cool and good and superior for marine use.
Theis124 Month ago
If the rebuild will cost more than switching too gas then just go gas. Unless you plan on taking long mile trips then just rebuild the diesels
Eshootzi Scrs
Eshootzi Scrs Month ago
Look into Diesel brothers, diesel tuners. Guys drag race diesels, there are tons of mods and software options. They are the original fuel injection engines.
David STOKES Month ago
Petrol (gas to you blokes) has a nasty habit of exploding and burning boats to the waterline. Unless you're moored or close to land this can be a problem.
Joe Mama
Joe Mama Month ago
Rebuild not a question.
Derick Smith
Derick Smith Month ago
Here you go. You need four 600hp electric crate motors and pickup a large battery pack. www.carscoops.com/2020/10/electrify-your-muscle-car-with-this-600-hp-tesla-electric-crate-motor/
Michael Perry
Michael Perry Month ago
Diesel, rebuild both of them.
Bt Farrell
Bt Farrell Month ago
Why not keep the good Diesel and add a Tesla for the second motor and hook a huge alternator to the Diesel? Could you keep the Tesla battery charged and keep the motor output roughly equal to the diesel?
Casey West
Casey West Month ago
The Tesla electric power system would be better for a smaller boat that was for fun and weighed less, as far as that goes the Texas speed engine or rebuilding the diesels better and badder I think is the best bet, more reliable and stronger! Plus you already own them just build them bullet proof and badass
golfnut Month ago
rebuild the diesels, you have a solid foundation, stick with it
Don Smiley
Don Smiley Month ago
diesel-diesel-diesel.......thats a heavy-performance boat.If you want performance reliability and economy.....its DIESEL..all the best
Mike Rivera JR
Mike Rivera JR Month ago
1000hp 2jz
zasde35 Month ago
No question rebuild the diesel engines . Better technical and economical . Furthermore the petrol engines will be a lot lighter you change the balance of this boat his behind will be high in the water !
Ryan Schaper
Ryan Schaper Month ago
Speed with horsepower with a boat is a tricky game it has alot to do with haul design.
globenstine 1
globenstine 1 Month ago
interesting tidbit. they also put cummins 903s in the Bradley fighting vehicle. (which is a tank if you didnt know)
mark perrins
mark perrins Month ago
We run a D4 in our boat. Single engine boat. Gota go deisel man. 39knotts 55 ltrs per hour at our comfortable cruising speed around 23-25 knots 35-40 ltrs per hour. If you can get hold of a pair of KAD44 be great or a pair of AD40’s. Reconditioned be the way forward. The AD models are basically tractor engines. No complicated engine diagnostics. Love the videos.
The two best days in a boat owners life are: 1). The day you buy the boat and, 2). The day you sell it. It’s an old boat, take it out and sink it and swim away!
Robert Banks
Robert Banks Month ago
Instead of a Tesla, save your money and just buy an anchor. There is only two good days in a boat owners life. The day he buys it and the day he sells it. Hope you have a fat wallet.
Robert B
Robert B Month ago
your best way and all the way round and what i would do is remove both Engines and have them both rebuilt then put then back in your boat diesel is way better then a gas Engines for that size of boat you have. diesel Engines will last a lot longer then gas and diesel is cheaper to run . so what ever you do say with a diesel Engines .
c D
c D Month ago
Tesla has amazing torque, and affords regenerative power, though not much regen, Its the best motor so far. But I would repair the diesels.
Tx240 Month ago
Batteries + salt water sounds like an exciting experiment.
Nayo Tawken
Nayo Tawken Month ago
Gas on a boat is really dangerous. explosively. fumes drop to the sealed bilge, not to open air under a car.
bryan fowler
bryan fowler Month ago
stay with your engines .jut rebuild them.electrics no good.
George Griffith
George Griffith Month ago
Apparently they can break
Ted Kidd
Ted Kidd Month ago
12:40 other options... 18:30 battery would be a range problem. 20:40 you got the math quicker than I did. You'd need hydrofoils You'd need a powerful dc genset too. 100kw maybe?
johnnypk1963 Month ago
What abt weight issues, in terms of how the boat sits in the water and how in moves, if u swap engines? That boat was designed w the weight of those heavy Cummings engines.
Vroom ZOOM
Vroom ZOOM Month ago
DO NOT put a car engine in it. It will get FRIED FAST. Those engines run full power for a long time. Try driving your LS for 2 hours down the highway near redline. It will blow fast. Second, the car engines don't make enough torque to get that boat out of the hole, because the cam needs to be changed and a whole ton of other things. Leaving the car engine core plugs and steel head gaskets in salt water will kill them pretty fast, also the cam needs to be an anti reversion cam, regular car cams will pull water from the exhaust and hydrolock the engine in a blink of an eye. Also aluminum car engines don't last very long in a corrosive marine environment. Would also need a swap of all ignition parts, need a different fuel and timing map. that cummins may not make a lot of hp, but the torque is huge, which is what you need to get that boat out of the hole. In my opinion the best would be switching to the newer QSB series engines.
belledetector Month ago
Stick to diesel - Rebuild BOTH engines - Tune your engine management and turbo setup - Refit the hull with a fresh paintjob, topcoat and antifouling - Update electronics - Launch and enjoy!
Michael Morell
Michael Morell Month ago
2 Banks powered compound diesels. 1200 to 1400 hp each. Tons and tons of torque.
matt dates
matt dates Month ago
LS SWAP 🗣🗣🗣🗣🗣
Henry Month ago
You run a higher RPM you start running into cavitation, its why you dont do high RPM marine engines
Countryboy Month ago
If you go with the batteries treat as a diesel submarine which uses a eng or a generator to charge the batteries while driving your boat, I'm prior Sonar Technician in the navy and I tracked a lot of them.
duffyreef Month ago
Don't out spend your interest it is not an investment!
Matic Snoj
Matic Snoj Month ago
Hy man, I love your vids! I like your idea! What about changing your drives to, for surface drives. That would be awesome combo with LS.
dennis musch
dennis musch Month ago
to hear someone talk so much when they don't have any clue about the subject, it is too bad that people might be thinking y'all know your stuff...The most dangerous thing out there is people pretending they know what they are talking about , I prefer when people just admit they don't know anything that way we can get better information on what is really going on. I have a relative who thinks he knows it all and he does believe he knows it all so sad because he will hurt himself and others who trust his knowledge . You all need to get help from an experienced dependable marine engineer who can steer you in the right direction...When you mentioned 4000 rpm on that cummins engine it made me think, those large displacement engines will most likely not run over 2600 rpms max. ..the cummins c series in line 6cyl rated at 430 hp runs at 2600 rpms max weighs 2300# without the twindisc 507 reduction....If I am not mistaken those vt903 cummins engines are not very efficient but they are rugged and were utilzed by the coastguard in their 41ft aluminum patrol boats that were decommissioned not too long ago .
Joshua Rosaaen
Joshua Rosaaen Month ago
The Tesla swap would be bad ass with a smaller marine diesel powered generator and solar panel combo to charge the batteries. Probably should add a few battery packs to the mix as well.
Chris Kue
Chris Kue Month ago
The best way in my opinion is the Volvo engines they have good software an engine controls so no need for a way over engine controller like the holly
Chris Kue
Chris Kue Month ago
At least stay diesel
Nick Roosevelt
Nick Roosevelt Month ago
If you want electric power for your boat, probably look at OceanVolt.
Tom Lentz
Tom Lentz Month ago
The 8.1 Vortec is commonly used in marine apps, and as an irrigation pump (runs flat out all day). Might look into that?
Gage Bange
Gage Bange Month ago
Put two electric motors just powered by generator
Gage Bange
Gage Bange Month ago
LS powered generator?
Lxwlif3 Month ago
for god's sake dude please just rebuild the diesel. you explained all other options in detail and the only one that doesn't have a downside is just rebuilding the motor.
Jeff Eckert
Jeff Eckert Month ago
Stay with the diesel!!!!!!!!!
sean d
sean d Month ago
Diesel, diesel, and more diesel please. Only way to go if they are already there. Good luck.
Greg Vandervelden
Rebuild the diesel engines
hybrid? diesel electric
Cameron Juzda
Cameron Juzda Month ago
If it flies fucks floats rent it
Jediel Colon
Jediel Colon Month ago
Go crazy and put two twin turbo lsx love your vids btw,i have been a fan since last year and I dont regret whatching your vids!
Ben Birkigt
Ben Birkigt Month ago
Stick with the diesels for sure maybe swap those cummins out for some Caterpillar engines like the 600 horse cat engine that puts out 1150 ft pounds of torque those are some seriously bad ass engines
stazang Month ago
Go hybrid electric with ICE as generators charging your batteries.
stotheh Month ago
I love the idea of electric, but paired with a smaller battery and a converted/marine gas turbine range extender (prime mover, like in a railway locomotive, or in the Queen Mary 2). I realise this is a very expensive option, but interesting...
ewe z
ewe z Month ago
for electric, there is a Swedish electrick boat company (maybe ask them for info and advice), and there is a new electric company with a new car that has been announced or released, that have different electric tech than teslas (convince them to partner with you for a proof of concept for their tech on boats, and some fun r&d stuff), but you wont go wrong with a diesel xD if it were a smaller boat gasoline would be okay, but shes a fatty, stick to diesel, maybe just rebuilding both of your engines would be the smartest path to take, aanyways best of luck
Timon Kovar
Timon Kovar Month ago
Stay with the diesels
David Reeves
David Reeves Month ago
You can rebuild for much less. You need to shop. Those marine engines are balanced to allow running wide open.
Warren j
Warren j Month ago
You can use a perpetual generator to turn run those motors to get more speed out of them. I have a perpetual generator design that could power a electric motor. One day I'll buy a boat and try my frankenstein idea
james pitts
james pitts Month ago
Rebuild with what u got...
Julian Thompson
Julian Thompson Month ago
Rebuild the diesel engines. There is a reason they are in there in the first place! Not to mention how cool they are on their own
Fred Pashos
Fred Pashos Month ago
Go with Tesla motors and diesel generator should get two more miles
Randy Lanhart
Randy Lanhart Month ago
If you have diesel questions. Go too the bus grease monkey and ask him or talk to Brian deboss at deboss garage. These 2 gentlemen have forgot more than most know on the subject.
Edouard G.
Edouard G. Month ago
Bro i say stick to the boats original engines. Doesnt make sense to make such a huge investment to be able to do what u already do now.
Lowe Eklund
Lowe Eklund Month ago
I’d stick with a rebuilt disel
Philip Jones
Philip Jones Month ago
Yep, diesel is the best option here.
Anderson Tsang
Anderson Tsang Month ago
Lets do the TESLA Power!!!
I cannot fathom why anyone would switch from these diesel engines to any gasoline engines. Gasoline engines are far less efficient, have much less torque, especially at low rpm, which would require higher rpm, which increases heat, which increases wear, which increases maintenance intervals, oil consumption, and the likelihood of failure. On top of all that, gasoline is a MUCH more volatile fuel and you do not want to be stranded floating next to a burnt out hulk, assuming you survive. In short, no offense, but you're not smarter than the engineers who design these things. If I were you I'd look into maybe just modernizing these diesel engines with better gasket materials, bearings, an upgraded fuel system, better turbos (maybe twin scroll or compounding?), and more sensors (MAF, oxygen, crank angle, cam position) that could be used in conjunction with a modern aftermarket ECU. Maybe get in contact with Gale Banks.
Kurt Kale
Kurt Kale Month ago
chevy 8.1l is the way to go on gas. only gas motor to ever pass a marine test
Toby Briggs
Toby Briggs Month ago
you can go electric and put solar panels and generators on the boat to get you more battery life
mitch pender
mitch pender Month ago
What? Generators? Omg Physics dude so you would have an electric propulsion system powered from batteries. Recharged from diesel generators? Omg ..umm just so you understand..you would’ be using mechanical reciprocating energy (gens) converted to electrical energy to charge batteries which then power an electric motor which converts electrical energy to mechanical reciprocating energy .. Hmmmm
Where is the single seated super f1 thing? Update please.
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