2 Blown up Engines Glued Together, Let's start them up and see what happens.

[@mortygoldmacher]

No ads, no merch, no sponsors. No Patreon. Mustie-1 doesn't even ask for "hit the thumbs up" or subscriptions. Great personal integrity. I've been a fan for years, this is the first time leaving a comment.

[@nathanmoak1515]

that reminds me of my youth, inserting my woodruff key and polishing my shaft. ah, the good old days!

[@roscocsa]

that might be some of the best valve shots of a running engine I’ve ever seen

[@Stonecold724]

39:49

[@beakittelscherz5419]

I wish I could describe what it is exactly that makes me grin every time I see or hear that... Its just goes "YEAH" in my head🤓😎

[@DancerOfClouds]

I agree. Gave me a whole new appreciation of a combustion engine.

[@FrankInAShed]

Mustie needs to rent a slo-mo camera or something. It'd be great!😁

[@tin2001]

​@@FrankInAShed He'd be better off buying a second hand one a few years old. The ex rental ones go pretty cheap once a new model comes out because everyone wants the latest ones to rent.

[@Acelachaser1965]

Hmm, I envision a 40HP custom dragster lawnmower engine! Tim Allen and Bob Vila eat your hearts out! 😄

[@masonpotter8809]

Does Anyone else have a Sunday mustie ritual😂. I could watch for hours on end. Can’t wait for next Sunday 🤝

[@kenwolf1056]

Never seen none attaching two engines together like that. Very cool.

[@richardthomas1743]

A fresh cup of Coffee and a new Mustie1 video on a Sunday morning! Hell yeah!!

[@pcuser80]

+ Snacks from the oven

[@joaoc_PT]

Same here!

[@edwardthompson3213]

Absolutely

[@Jesselovespinball]

Start my Sunday that way every week !

[@YukonHawk1]

Same here. Bacon and eggs too.

[@ctgriffi3899]

KZbin Gold right here-Shop Class as God intended. Thank you, sir!!!

[@dungeonseeker3087]

I just realised that I've probably watched ~50 engine teardowns on YT and I don't remember ever seeing anyone showing the full reassembly process, most times they show the teardown then skip onto everything being back together again. This was incredibly interesting and educational, cheers Mustie.

[@samuraidriver4x4]

The only other one I can think of is Machinery Restorer, mainly Briggs engines.

[@tomperry1048]

Once again, Mustie takes the cheese.

[@Iceeeen]

Mostly proably because of how toxic YT are. Do one thing wrong and they get a hate storm, especially if they reuse some parts.

[@whitezin65]

​@@Iceeeenright, but what difference does it make when he's just cobbling together stuff that would have gone to the dump. Musie's awesome!

[@centauri61032]

James Condon is another good one to watch.

[@53jed]

That view down the exhaust port was brilliant. NEVER seen that before.

[@Deadsayer]

This whole project with making working engines out of junk and making two work in tandem has definitely been one of your more interesting series, Mustie.

[@AmosBHaven]

Remember to "synch" the carbs Mustie! That way the 2 motors won't be fighting each other. 👍

[@paint52]

The giggle of success- priceless 😂

[@renem6441]

Mustie1 every video you outdo your self!!! Can’t wait to see the complete build!! Thanks for sharing

[@johnapel2856]

Well that's just ridiculous. AND I LOVE IT! I remember another engine mating on one of the bikes, and I enjoyed that one too. The backyard engineering you have shown us over the years has taught me a lot, and I appreciate it. And you have no plausible deniability, so I can do whatever I want and it's all your fault! Thanks again for all your work in taking us along for the ride.

[@tarstarkusz]

I don't think it is going to work to deliver twice the HP though. Maybe 30hp combined if they are both 20hp motors. You have to remember these are highly engineered and optimized motors not meant to be in this configuration.

[@steveharleyfan]

Would that be the bike with teapot mufflers? No, really... !!!

[@briankemp2362]

The slowing down of the engine was AWESOME. THE GOVERNOR

[@pgrosebud2012]

Great close-ups of the exhaust ports!

[@johnkaswinkel7883]

What an awesome video! Two junk engines mated together....wow! Can't wait to see the final use for this set up!

[@EnglishTurbines]

Great job, very interesting video and the 150 PSI on both cylinders was a win....😏😏😀😀🇬🇧

[@mariosaccoccio1688]

"It's in the hole!" Classic Bill Murray!

[@tam19711]

Thanks mustie looking forward to seeing the boxing in and axle refurbishment, connected 😊😊😊😊

[@koolkats724]

You sounded like a little kid on Christmas when it fired, stayed running and didn’t grenade. Nice work as always.

[@clifflewis-yq3lw]

Very cool. Its so satisfying to watch your process. Even my 85 year old Mother watches your videos now, and she has absolutely no interest in learning how to repair old engines.😂. You're the best, Mustie1. ✌🤟

[@alwayssearching1882]

A true modern day mad scientist in his lab. So entertaining.

[@richierich515O]

Great stuff. Thanks for letting us into your world every Sunday.Great work Mustie1.

[@harryharker9564]

I have been unable to start one 2 cylinder engine on my 2cv today come home and you start 2 2cylinder engines!!! Great entertainment

[@aarongrabowski3775]

That slow shot of the exhaust was awesome.

[@machinistwanttobebrianfrom6887]

Brian from Ma. This two-part video can’t even explain how awesome it was and when them things started, it put a smile on my face.anywho Besafe

[@benkanobe7500]

The keyway created by the grinding wheel and the file is one of THE most impressive things I have seen you do and I have been watching and subscribing from the beginning. Brilliant!

[@davessmallenginerevival2847]

I agree

[@ageguy5090]

Luv the Mustie Mad Scientist laugh when they started up. Great video!

[@garycoppard3596]

Genius at work, do not disturb. Thanks mustie for your willingness to do these videos and the experience of your videos are always helping others. You a good person and teacher. Thanks for letting me go along for this journey. God bless you and family ❤🎉

[@tstuart7333]

No-body does it better. Nothing but the best delivered here.

[@mikaoj71]

I think, best way to sync the the carburettor - is to do as on mc with double carburettor, connect both to vacuum gauges. And calibrate them, then link them together.. Good work.

[@denverdanoreno]

What is very cool about mustie's Channel, when you go to comments most of the time everyone is very rational and sane, no drama queens and kings. Sweet!

[@algorithmae]

I see Mustie1 is embracing the mad scientist transformation in full force

[@thedevilinthecircuit1414]

THAT is completely BAD ASS! Whatever you stick it in it's going to be a beast!

[@realfreshfood4575]

You amaze me every single time, Darren. Can't wait to see what you do with this setup.

[@captainprairie5790]

See kids, this is what happens when you start by putting an extra fork on your 26" bicycle to make your own chopper when you were 12. You end up putting two engines together as a adult!!!! Cool project man, can't wait to see the rest!!!

[@pcuser80]

Everry Sunday is a feast watching a new Mustie1 video.👍

[@danielcobbins8861]

Yep, Sunday morning with Mustie and a cup of coffee. Doesn't get any better than that.

[@alanpecherer5705]

This was hilarious. Reminded me of the flamethrowing Volkswagon startup from a few years ago.

[@boomerdrillman]

Darren, I never miss your videos, rarely comment. I was thoroughly entertained by this one. The slo-mo of the exhaust valve functioning was fantastic! The Frankensteining of the engines together was typical Mustie and absolutely great!!! Thanks for the video!!!

[@WelcometoVideoCity]

Never seen a tandem engine setup before. You are the man!

[@thomasjarosz7406]

Mustie1, "Lets Wrench". God Bless

[@seamusg8911]

Thank you Mustie. Brilliant video. Was not sure how it would work but much better than expected.

[@ytbandit1951]

Put a second allen grub screw in each hole in the coupler. The second screws act like jam nuts to stop the existing screws from loosening.

[@hcox1111]

We took a small drill bit and drilled about .030 thousands down through the hole then the set screw will lock into the shaft.

[@marktroiani5401]

That was an awesome episode. Mustie1 is our Henry Ford. Born engineer.

[@kevinoakes1171]

This is fascinating !. The thing sounds like a WW2 Spitfire when you rev it up !. Can’t wait to see what you do with it.

[@yallreadyforthis7631]

Man, That first one sounds amazing! Most excellent work.

[@billyhaddock5540]

Congrats Mustie1, on finally getting the two 20hp motor's running great. I had seen a Great Science Teacher build a awesome MONSTER.. lv-it

[@usernamesarelame]

Dude, I’m hooked. Can’t wait to see the finished product

[@JonPMeyer]

I thought that you were crazy when you started this project, but those two engines sounded GREAT when they both started! I can’t wait to see what you come up with to use this Frankenstein-engine in! That’s for keeping us entertained on Sunday mornings.

[@alanwbelcher]

FrankenKohler?

[@haileylvndrkittnz9721]

Maybe he’ll put them in that little white Utv?

[@tubeDude48]

Once again, HOLY CRAP you have a ton of scrap parts!! 👍

[@billmcdonald2436]

I remember when I was younger how apprehensive I was about tearing an engine down this far because I was worried I would mess something up. Now this is my favorite part about engines. Checking the clearances and such.

[@wrxs1781]

The finished project is greatly anticipated.

[@flick22601]

Ahh! The anticipation mounts. WHAT is Darren going to build with this? Inquiring minds want to know but, they're willing to wait. I have a feeling this is going to be a Muste1 masterpiece that will live long in the annals of history.

[@MGower4465]

Maybe some of you are willing to wait...

[@christorkildson6472]

The anals of history? :-)

[@ruben_balea]

At first I thought he would put it on that skid steer with the worn out Kubota engine, because if I remember correctly the original engine of that machine was also 40HP

[@smoothlover073]

Maybe building a drag racer to take on Cars and Cameras drag rail. Either way what ever it is i am here to watch it

[@DavoShed]

It would make an awesome go kart but with only one forward and one revers gear that might be so great. What ever it is will be interesting.

[@TerryLawrence001]

A perfect engine for the tiller drag races in Kentucky and the rice tractor races in Thailand.

[@larryd.214]

Very interesting project Mr. Mustie! Very cool to see the two engines running together. Excited to see what the future holds for this combination! Thanks for a great video on this Sunday morning.

[@briankuhn7396]

😂That sounds ridiculous when they’re revved! I need this in a go kart!

[@ACKCSC2024]

Good morning! Nothing like a good Frankenmuskie1

[@jamescook5738]

Back in the 60s my dad n his friend put two 327s together in a 30s something Coup. My dad even took two (2) Dodge Demons, 1 totaled in th rear n th other totaled in th front n cut em just behind th front seat. Welded th two (2) good halfs together to make one (1) good car. My dad was th coolest thru my young eyes.

[@jancilliers4525]

Way to go, Darren!! Your channel is the very first one I subscribed to quite a few years ago and it is still on the top of my watchlist! I totally agree with the previous comment, best slo mo valve shot I've ever seen. Keep it up, I am looking forward to this project, the longest v- four I ever seen!!

[@phillipmckinney7906]

You have never failed to impress me so keep the cool videos coming 🤟

[@campingstoveman]

Back yard mechanicing at its best and what I really like is you don't throw stuff together, you think about it as well and predict the possible issues.

[@stevestanfill7765]

A couple of years back, my mind rambled to your project. I was having problems with my ford tractor. But, I never acted on it. I'm glad to see that I'm not alone.

[@Orbacron]

Never doubted you Darren, great series brother🌟

[@Astorath_the_Grim]

You're on a first name basis?

[@tjtobin86]

Always educational, always interesting. Thanks Mustie!!

[@Greg_Watchorn]

Absolutely fantastic Darren. I recently subscribed to your channel- my Dad is a man like you, loved tinkering with mechanical stuff on our farm and repurposing stuff to meet our needs - including rebuilding our tractor engines. Getting to see a full engine reassembly is a rarity and sincerely thank you so much for sharing this with us - us Irish men appreciate a good mechanic when we see one!!

[@Camden09]

That was funny Mustie1 said "oh man the jokes, you know what I'm talking about " 🤣 love the content Mustie1 👍👍👍👍

[@brainiac_brian]

Great job! I've worked with those couplers. So long as it's tight, the rubber is a little forgiving. If it gets too far off it will chew through it. If I were king and writing the checks, I'd run those engines at varying speeds for an hour before going much further. If there's gonna be a problem with it , it will show up then. Looking forward to the next one!

[@lost_marblesadv]

That’s garden tractor pulling power right there.

[@jimjohnson8974]

One of your best mustie,you need a collar behind the coupler to stop it walking back again,short piece of snug pipe will do it,never walk back again otherwise perfect,always watching from australia, cheers

[@Astorath_the_Grim]

This has done wonders for my understanding of how a gas engine works.

[@Orbacron]

First

[@StevenEverett7]

Really creative... but that's what we've come to expect from you Mustie! Thanks for letting us hang out.

[@terryraymond7984]

I enjoyed seeing the fire out the exhaust

[@MrSilverado1982]

That engine setup would look really cool in an old cub cadet with a stretched front end. I have a stretched cub cadet and now I have an idea of a motor to use. Thought about a four cylinder out of a car but now that you did this makes me want to try something like this!

[@skx750]

Dr Frankenstein would be so proud of you

[@daveb7663]

Love the project, I can only imagine what it sounds like live! I would be a little concerned about cooling however. The "front" engine dumps its hot air right towards the intake of the other engine, which might make it get a little too hot. Maybe a little baffling when it gets installed would help.

[@willierants5880]

That's somewhat terrifying. I love it.

[@jacobsmitley406]

One of my favorite videos you've made lately. Very nice project.

[@tinkeringinthailand8147]

An hour and nine minutes of my life well spent :)

[@CraigGrant-sh3in]

A suggestion for the set screws on the coupler. Drill a little into the shaft where the set screws are so that they have something to grip in other than just a pressure fit against the shaft . Maybe even drill and tap them bigger so they are a little more rugged . The twin engines is cool. Can't wait to see what you are putting them in

[@rickdavila8783]

Dude, you are a freaking genius!!

[@64ssmalibu]

Awesome build, I feel a dual engine pull tractor build coming. You never seem to amaze me Darren. Build on buddy.

[@5150mxVW]

This vid hurt my brain 😆but that was awesome 👍

[@jjchambers350z]

In the late '90s Dixie Chopper made a zero turn lawn mower with two Kohler 20Hp twins tied together with belts running to an over-running clutch that drove the main belt driving the mower. I don't remember the model number but it was a 72" cut and would handle just about anything you could throw at it. When those engine RPMs were synched together it had a great exhaust note, similar to a twin airplane.

[@Hjerte_Verke]

Now that is interesting. I do know the brand name but never knew that they constructed something so "radical" and sold it that way, but it does represent a lot of mechanical and maintenance complexity that could explain why it is not commonplace. Thanks for sharing.

[@Clearanceman2]

Last Sunday I wasn't feeling it. But as soon as I saw this I clicked. Thanks for following up on this project so fast!

[@benjamincresswell3713]

Musti, Growing up in a very rural area several of my friends and I had go karts. They were home built, not racing and nothing fancy. Just fun to ride around on our dirt roads. One day a neighbor a few years younger asked me if I'd help him learn to rebuild a small engine. So, we found a couple of 3hp Briggs and we went thru the steps on both engines at the same time. When we were done, we didn't know what to do with them because our go karts all had 5hp and who'd want to go down to a 3hp? Then I got the idea to do like you did and connect them and put them on my go kart. I pulled the crankshafts out and took them to school and drilled and tapped one and threaded the outside of the other. So they simply screwed together to make the connection. Then I tied both engines together at the cylinder head bolts and bolted them to my go kart. I made a common intake manifold out of copper water pipe and a steel plate to bolt a 6hp Briggs updraft carb to. My neighbor was a plumber and he offered me a torch and something he called Fonsen (sp?) to use instead of solder. Fonsen was stronger than solder and melted at a higher temp, but did not require red hot like brazing. In the end it worked very well. It was funny how some of the neighbor adults told me how important it was to have them synchronized in some way. They told me the two engines were fighting each other the way I had it. I really never caught on to what they were saying because I knew from personal experience that my go kart was A LOT FASTER w/ the two 3hp engines than it was with the single 5hp. My go kart was quick from the start and it went at least as fast as the 5hp engine pushed it. And it sounded neat too. I made no attempt to synchronize them and it sounded like a Harley. Thanks for jogging my memory. ben/ michigan

[@santa0704]

another great episode with mad scientist Mustie

[@carstensteinert6018]

This Project ist nice! You explain very well, what you're doing and how things play together. That's a great motivation for me (and propably others) to repair their stuff on their own. At first i thought you are building a new engine for your bobcat.😮

[@TheTorkerman]

This is total mad scientist stuff! Evil laugh and all! AWESOME

[@apollorobb]

And putting the cross hatch pattern in the cylinder does more than seat the rings it holds oil on the cylinder liner.

[@vg3430]

Agreed. 100% correct

[@davechambers5387]

in all the years i have been watching your videos , THIS is on of my favourites . now , build a chassis around your invention .

[@zman4150]

Thanks again for producing quality videos - by yourself! I am patiently waiting to see what this project turns into - I'm guessing a dragster golf cart? I also see a slo- mo camera in your future for smoother shots of moving metal. Keep up the good work!

[@jaymann]

Great job, Mustie.

[@Blazer02LS]

There is a guy who did about the same thing at one of the engine shows, he set his up at I think 90 degrees out so it has a F1-R2-F3-R4 firing order. Sounds pretty neat and runs very smooth. His uses a double row chain coupler and shortened crankshaft and is powering a Cub Cadet chassis that he uses as a butt buggy

[@ohespeh]

i am not the best english speaker. what ist a butt buggy ?

[@gs1100ed]

@@ohespeh we may not want to know….

[@Blazer02LS]

@@ohespeh At many of the engine/tractor shows you are not supposed to bring golf carts or scooter type machines to ride around on. The way around that is to build a "butt buggy". Take a garden tractor, tiller or similar and add a second seat or connect up a trailer and now you have a "show legal" way to ride around the show and not have to walk. I have seen garden tractors, walk behind tractors (with a sulky) and hundreds of variants of them built.

[@ohespeh]

@@Blazer02LS Thank you very much, i did not know it

[@wp9409]

Thought I could hear a mourning dove in the background while you were bolting down the rockers. Nice work!

[@TheMrShinagami]

Great video, I cant wait to see how this develops. Are you thinking of rigging up a manifold to just run a single carb for both engines or will you be trying to control both carbs at the same time?

[@earlwidmeyer2654]

This just screams lawn tractor dragster. I cant wait! This is the best stuff yet !! just like the Double -Take Bike!! Thanks Mustie for doing all this fun stuff!! Cheers from Southern Ontario Canada Earl!

[@paulterhaar4862]

11:50 You forgot to make the clicking noises to make it legit! 😛

[@markbrown6236]

That's the Farm Craft channel, not here.

[@lucilleking7495]

They don't all click

[@pinwizz69]

It's friggen amazing the ideas Herr Doktor Professor Mustie comes up with. I hope he uses them on a 2 person tricycle build. I love his bike builds. The Steampunk one is my favorite.