Ремонт конечно такой себе - двоюродный, но в таких условиях, парням низкий поклон. Руки точно из правильного места растут!

I'm just sitting here watching these videos and I have to pick up my jaw off the floor this is outstanding incredible work

WOW!!! I'm sure most viewers won't appreciate the trickiness of this task. 25yrs I had a friend whose head cracked on his XS500 motorcycle. We looked around for a replacement but due to the relative rarity of the machine one could not be found for love or money. At the time I worked in a well equipped fabrication shop so I was asked if anything could be done. There was also a well equipped machine shop right next door. I had a look and said "No way". Due to the brittleness of castings, the heat stresses involved,.the concominant distortion and the precision required the job was seen as almost impossible and even if successful it would be likely to crack again soon after. I asked several of my coworkers and they agreed with my opinion. But as there was NO other option we tried it anyway. One of our most experienced welders tried it and the head just cracked somewhere else as soon almost as soon as the torch was applied even though we had carefully preheated the head. So, even in our first world hi-tech fully equipped workshops this job could not be done. Yet here they are actually achieving it on the backstreets of Pakistan, and with primitive equipment. I believe the trick was to do the welding while keeping the head in the 'oven'. Ingenious, I really take my hat off to these guys.

I haven't seen anyone using cast iron fusion welding in the last 50 years other than myself and then I only used it twice. It's nice to know that someone somewhere is still using it. In todays market it had been largely displaced for faster are welding methods. Dumb thing is it was still better than anything out there today.

They are evolving. First time i see a table to work on. Good job

I could watch these guys all day, the craftsmanship is something to behold 👌👍👏

Tells you alot about what can be achieved with a simple workshop and dedicated team of people, love the ingenuity and skills of these people

I enjoy watching these young men tenacity, skill, confidence in their work.

Amazing. I didnt think this could be repaired..but he is a pro.

I see some very talented machinists and iron workers and welders in this group of guys. I’d be proud to work with them if I was there.

Nyers és csodálatos tudás minden területen, itt ha videókat nézek mindig elámulok! Fantasztikus! 💯👌

That welder is good. That drill press needs a capacitor for starting and maybe a spindle that does not run out.

It amazes me that this young man could fix that head. Lots of perseverance!

I was a machinist In my younger years these people are great

Дядько Максим нервно курит в сторонке.

Preheat before stick welding. Good job lowering local heat stress.

Самое забавное, это потом работает. Не важно что дерьмого. Но работает) значит ремонт был удачный)) главное правильно отжечь головку... и микрометром ловить миллиметры)))

As a chartered engineer I am truly in awe of the skills being exhibited here. Health and safety regulations not even considered and the cleanliness of the workplace could be better 😂but by god this fella is talented.👏👏👏🇬🇧

Bardzo dobrze wykonana robota. Podziw dla wiedzy i umiejętności. Ktoś wymyślił tą technologię i realizuje w takich warunkach jak widać. Czy działa? Jestem przekonany w 100%, że tak. Nikt by nie poświęcili takiego nakładu sił na darmo. Wnioskuje, że głowica żeliwna więc podziw dla sposobu spawania na gorąco (na grillu ,)),nawęglania płomieniem z niedoborem tlenu, sposobu ustalenia pasowania na cieśni cyrklem i mikrometrem. Wielki szacun. Brawo

I got a demonstration video with my Henrob welder showing a cast iron piston ring being used as a filler rod using no flux. Finish up with a machinable weld. Arc welding can work on some cast iron parts too using high amperage and manganese electrode. Have also used chromium electrode for repairing valve seat. What they used here I do not know but it turned out great !! Well done !!! Skilled hands are a blessing !!

Technique for welding very good. I thought the cooling cycle looked brave but we only saw a fraction of it. This chap could get a job anywhere! !

This dude is definitely way above the usual hammer-swinging floor dwellers. 👍

Finally… someone with a bench(s) not working in the dirt.

Beautiful job It Is very interesting, In Italy they make this work only for ancient engines because It costs very much.For modern engines they Say: you have to purchase a new engine head. Greeting from Rome 🤝👍

13:50 Not sure how round that hole is going to be with the piece wobbling like that

Фрезеровщик вообще пофигист. Не глядя борфрезером херачит. А как у него направляющая бьёт на сверлилке, м-м-м, загляденье.

Brilliant work guys. Your skills put the Western world to shame.

Such amazing precision with a die grinder, magical really

Good skills, don't know how long the repair will last, but nice to see people able to do it with limited means and without genuine parts! Congratulations, in our (too much) "rich" countries we throw away and replace things instead of trying to fix them, and I think we are definitely wrong.

And the bill was $19.99! How much for a new head? Easy to be critical, but you have to hand it to these guys; amazingly skilled work with very ordinary resources. Well done.

imagine what this guy could do with some really nice tools and weeks or months to work on a project

Creativity & workmanship at its best!!. So sad it's a lost Art now, with 'Planned Obsolescence Anything'. Congrats & many Blessings!!.🙏🙏🙏🙏

That alignment stub that goes into the valve guides to enable the valve seats to be concentric is a little bent and the cylinder head should not rock as it does when doing that operatio0n now and later on when cutting the valve seatings. I do not like how he pushes on the head at 16:21, and I shivered at some other actions he took during other operations, but then perhaps I am too fussy and a cylinder head need not be coaxed and treated with gloves as I thought it should. The welder was brilliant in every way and that man knows the phase diagram of that metal he was handling. He is not only intelligent and feels his way through, but he is also a very brave man to handle that little bit of welding procedure!!!!! It is such a pity that our education system does not give enough credit to these people who have the ability to " process" an issue rather than remember information. Most people these days are the proud owners of what they buy and operate and not what they can process and diagnose an entity that needs to be repaired and guaranteed. Such craftsmen do not need any examiner to judge their caliber as the result is in the guaranteed working of the item they produce. Many schools run curriculums where the school thinks that its own examiners will decide the caliber of its students, but real life is not like that........................... our real value is what we can produce and guarantee to work without nature nor luck ever giving us a hand!!

Second question, what is the degreaser/cleaner you were using for the first dip? Lye? Or acid? Very curious.

Very good skills and fast repair a cracked cylinder head in a day with only basic tools and equipment.

Mis felicitaciones y además admiración pues están demostrado que nada es imposible sigan adelante ayudando con los de escasos recursos pues un repuesto nuevo vale mucho dinero

Excellent engineering skills. A perfect repair. Just shows you don't need a fully kitted out shop to do this work. Very good acid dipped finish. Love how the workshop is by the roadside like this.. ❤️

Nice Video Bro... They are Real Talented and hardworking people , love to Cover them and showing their skills to people.. 👍🏻👍🏻

Siete bravissimi con i pochi strumenti che avete a disposizione fate cose incredibili, bravi meritereste di avere attrezzature migliori in futuro, buona fortuna per il vostro avvenire .

Excellent job greetings from Türkiye 🇹🇷 Masha Allah

If I had not seen it I would have said no way that is possible. Incredible what ambitious people can accomplish.

Жесть ...но работает ...после этого вспомнился Водный мир

WOW These guys are awesome. Impressive skills, great workmanship..

Very skilled worker. I dont think that he could read a micrometer, but he does great work.

Amazing technique and technology, I think Europe has a lot of catch up !

Офигеть не встать. Балгаркой в очках пилит.

we were taught cast iron welding at trade school , but you had to peen the weld after welding.the run out on some of the machines amazed me.i can see pre comps and valve seats falling out.and i forgot the after cooling in a bag of lime.

True tool makers and machinists.

i am totally blown away by their skills, wow

Какие трудолюбивые, молодцы !

Большой привет! Много месяцев подряд смотрю ваши видео! Это по сути пособие для ремонта, да и просто информация о том что для человека, думающего, преград почти нет! Реально преклоняюсь перед теми людьми что на видео, хотя сам всю жизнь связан с техникой и именно ремонтами авто, в том числе и при ситуациях когда мало денег в кармане либо у клиента либо у себя любимого, но всё равно поражён. Не унывать и не скулить, прям реально готов пожать руки мастерам! Продолжайте снимать ваши видео, очень они правильные! Корень.

How cool watching this video, a master at work. I'm so impressed!

Grandes abilidades con estos maestros haciendo maravillas

What did he put in the sleeve when he pounded the new seat/rings in? Is it grease or epoxy?

그동안 본 영상중에 가장 완벽하네요

I knew it was impossible to weld. AND. OMG. he brazed it. wow I've got lots of cast iron parts that I will be working on now

Amazing work, great job, you saved the customer much money 💰.

If you have this cracked cylinder head to be fixed at local America dealership, They will replace entire new Engine for your pocket $7000.00. I assumed this Cave shop will do for you only $30 bucks to fix filling cracks. Thats a great to have those to do for us.

Awesome repair. Fun to watch someone who takes pride in their work.

Marshallah! Incredible Job from the so called third world. Nothing is impossible when we have limited materialistic resources and mindful youth. And if I can add something I would say it's great for the environment to refurbish a car to the limits. Marshallah 🤩🤩🤩

Amazing. All done without any CNC machinery.

Tuyet vời quá cô Mây ơi. Cảm ơn cô Mây nhiều nhiều 😍😍😍

Nice job. Thanks and Greetings from Finland!

Good job. Greetings from Poland 🙂💪.

Great job mechanic excellent work

So much done by eye touch feel and looking to see if true or straight amazing.

這是哪裡？技術真好~只是工藝有些老舊

Nice work MashAllah MashAllah zabardast

Esa culata hay que ponerla nueva,,,esa estalladura seguirá por mucho que le hagan ,,,,,y se lo digo por experiencia de arreglar antiguamente culatas y no duraban mucho....ese daño es profundo

I have to “like” b4 watching these videos, as I’ve not been disappointed to date for the creativity and persistence to get the job done. Just wished the work grounds were a tad neater.

Amazing amazing skill and confidence I just wish you wore a safety glasses more often particularly all the time.

He's the smart one... He's made a work bench (sort of) and has a chair and work gloves, and shoes...

Im impressed, looks like steel toed shoes, goggles, dustmasks. This guy wants to get old.

THIS IS POETRY! NOTHING LESS! FABULOUS!

Fine good masaallah Belding road konsa he ms ya casting aug head cliner konsa he hea me jank nahi lagta

What country do you buy your power tools from, the taper rotary tool looked very robust. Bosch?

Coming from a mechanic this is what’s wrong with most of the rest of the world people have forgotten how to do things the hard way by hand. Now they just log on and get what they want. That head will probably seal better than any new head you can buy offline. Keep the forgotten arts alive guys.

Top..parabéns a vocês..like do Brasil.

This is Amazing Work.

Impressive! If I have even a hint of contamination my welds will leak like fury. If I don't very carefully control the post weld heating in the special oven it will either crack or be so hard it's un-machinable. I wonder what they're using for flux? Straight Borax?

Great work. What country is this in and name of shop? They deserve recognition

Wow, that was amazing, you guys are professional !!!!!! Congratulations 🎉

I have never heard of gas welding cast iron. I would be very interested in the filler metal and gases and pressures. Excellent work especially in the crude shop judged by western standards.

Best work.and worker....Bagdad

Минимальными средствами делают сложную работу. Отлично! На западе потратили в 1000раз больше для этого. С уважением.

У него есть штангенциркуль, микрометр, очки и перчатки!!! Странно)))

Wow. Strictly speaking he recast metal rods into a pre-soaked (already red hot) cylinder head using a gas torch to melt and reflow the two metals together. I guess this has similarities to how old lead plumbing was undertaken with new just about molten lead being applied to lead which is just shy of melting point in order to fuse the two metals seamlessly together! Takes a lot of experience to be able to work metals in such a way without applying too much heat to the solid metal (melt your work) or too little heat to old and new which won't fuse the two together! My main worry would be that in attempting such a repair the water channel was closed off or narrower than before resulting in under cooling part of the engine under load! Let alone as others have said the wonky drill press with the very large runout, or the angle grinder being taken to the head several times over to nefarious places before flattening - which must mean the head had to be ground down excessively to make it flat again!

Mechanics with advanced precision tools are salivating on the engenuity of these crftsmen who are drooling on your state of the art machining ang mechanical equitments and tools.

Каким припоем пользуетесь для этой работы ?

Уважаю мастеровых людей, с руками и с головой! Моё почтение.

I am Impressed !!!!! 👍👍👍👍👍👍👍👍👍

I am impressed with the repair of the cylinder head with charcoal fire ♪

watching these blokes do fine work in primitive conditions reminds me of the quote "do you need a $5000 barbecue to cook a steak when it tastes the same on a wood fire"

Amazing skills! BMW and Mercedes should learn from this Guys

always see in the comments how smart everyone claims to be and yet these cats are using basic tools to do precision work if they had half the shop tools most of you so called pros have you great mechanics and engineers would be working for oh depack and the boys for sure and not to mention that these dudes always have over a mill in views think there is some envy there good job dudes

I can sit here and point out the lack of precision on a cylinder head, but it amazes me what these people do with limited production tools. They even preheated the cast head to repair the crack, which is what you are supposed to do. With a little more attention to clamping the work piece prior to boring, I think the process isn’t half bad. I’m just glad they fly cut the deck. I’ve seen videos of people using a grinding stone, so this is definitely legit for what it is.

Ellerinize sağlık süper olmuş

Did he glue the valve seats in?

he has a table and a workbench. Its godlike

Best technique very Cool