I knew I went wrong there somewhere and I had a feeling zinc was the one that I was looking for

Top info, cheers

The only thing that needed to be conveyed here is that copper is softer than brass and hence will seal better.

@@Fourby4Diesel one of thoes injectors is different from the rest it has a grey plastic top

Copper washers have to be annealed and cleaned before use. The seat has to be undamaged and totally clean.

I have seen those copper washers tinned with a film of lead/zinc ............

Did you ever change the injector seats and what milage/year do you have cheers if you answer

Thanks for your consideration but we’re not going to set up a separate help fund to what we already have many times we have made videos and posts telling people about the Cracked Piston fund just like we do about how to prevent problems like this only use gnu Genuine Injector Kit be careful who you let work on your vehicle and only use a brand new engine if it needs repairs people can choose to listen or not the people that are listening make contributions and if Something Happens to their engine we have funds available to help out so I’m not sure how this one would work. If you would like to make a contribution you can tone contact me the same way I mention in text messages and anybody else that would like to also and you can contribute to the Cracked Piston fund and if the contributions were directed directly to this engine then I will forward that to the victim because he is a victim and should take action against the poor workmanship and end up with a full refund like always we offer paying the V cat fees. It’s all part of checking and watching our playlists which I keep being on about but lots of people obviously don’t do it you can lead to water but you can’t make them drink I have to give it up somewhere I’m doing the best I can hope you understand

Help me please!! I need injectors lol

The piston cooling jet is for cooling the underside of the piston. Not for lubrication. The check valve is there to keep oil from spraying at low oil psi, ie at idle Carbon build up in a diesel engine is not incomplete burn it is a by product of combustion or extending idle time. I have a diesel converted F250 with 300k miles on it, not once have I changed the injector washers. Basic maintenance every 5000 mi

@@bigbelconut not all conrods have an oil galley and they reply on squirters to fill the oil well. So carbon just magically appears does it. How do you thing solid carbon is formed. It’s incomplete burn. Not enough oxygen to fuel ratio. Carbon as a solid shouldn’t be part of the combustion process. As for extended idling that definitely doesn’t produce carbon as a solid. Going by you chemistry lesson, an internal combustion engine should clog up by weeks end. Your Fing doesn’t run denso injectors , yours is a poofterstroke then the injectors are fed diesel within the cylinder head and have a conical seat for sealing. As for your injection system you wouldn’t have a clue how HPOP fuel injection system works.

@@tba3900 also what "pipes" are you replacing every 50,000 miles and replacing the injector washers every 50,000 miles is not cheap insurance its risky at best and at worst. the new washer doesn't seat properly and you endup with an engine like the one in the video. yes carbon does magically appear. you ever notice when you do an oil change on a diesel engine it goes in that nice brand new golden color. and then after about 5 seconds of run time its solid black. thats from carbon residue from combustion.............. also look at the intake manifold of any EGR equipped diesel. that comes from the exhaust and is introduced into the intake. if its got even 10,000 miles on it. there will be almost a inch thick layer of Carbon buildup. and compression doesn't "drop" in a diesel engine at idle. if a diesel engine has half decent compression it will still be anywhere between 16.7:1 - 22:1 compression ratio. even if it is worn. but if it still works it has atleast that much and only goes up as boost increases. also diesel does not equal gas engines. diesel are whats called Compression ignition. so they inheriently ALWAYS produce carbon soot. as a solid. gasoline engines make almost none comparativly. the amount of soot and carbon buildup a diesel engine makes in 1,000 miles is about the same as that of a gasoline engine after 300,000 miles. and i really don't see how in your eyes carbon buildup can exsist in any other form. its certainly not going to go from a superheated gas and solidify. then where does it come from obviously the compression ignition process. the reason why diesel engines do not "clog up by weeks end" is due to this thing that became common place about 100 years ago. an oil filter. engine oil acts as a cleaner it absorbs carbon particulate throught the entire system. and then it is passed through a filter. those oil squirters are mainly for Cooling the underside of the pistons. out of the dozens of diffrent types of diesel engines i've worked on they all have oil squirters for cooling the underside of the piston. every one i've seen where an oil squirter clogged. the piston cracked or melted. because of it. going back to you mentioning "incomplete burn" this is called fuel knock. when you have the improper amount of fuel and more importantly at the wrong time. this means something is wrong with the tuning or the injector is bad. i can assure you the injectors on any diesel engine do not have a "conical seat" its pretty hard to round a copper washer and mate those 2 types of surfaces. and i can assure you all the powersrokes and cummins and detroit diesel engines i've worked on. the base of the injectors are flat for a flat copper washer. Denso injectors or not. diesel engines all have one thing in common. High pressure injectors sealed with a copper washer. the only time the washers need to be changed is if the injector is removed. or changed. or if they melt. but they only melt if the injector is overfueling and dumping fuel. as for your comment on HPOP fuel injection system. not quite sure what you mean by that. you might mean a Hydraulic Electronic Unit Injection system. there is no Functional diffrence between HEUI system, or Common rail. the end effect is the same. a HEUI system the fuel pressure required for a proper spray pattern is produced in the injector. where a Common rail system it is produced by a high pressure fuel pump. generating on the order of 20,000+ PSI of fuel pressure

@@tba3900 also i don't know what this guys deal is with Standard sized pistons. 0:28 unless the engine was overbored and the pistons are undersized. thats the only time it should be a problem or unless the factory pistons are garbage.

Miles? Chipped? Sorry to hear that

If a rebuild is done properly it should be equivalent to a brand new engine. I think the issue could moreso be a lack of skill from the rebuilder or the necessary effort and time required to rebuild an engine properly. They are probably trying to get it done quick and make a profit rather than doing it right. There are many measurements that need to be accurate to a tenth of a thou and quite alot of specialised equipment to do it

Ha! Just read this AFTER I placed my comment…exactly. Even the edge of a nail (pin punch) would do for the demonstration of material softness.

Watevs

@@Fourby4Diesel : get your facts right Bud'

Not a common problem with a 4JJ1, but at 370k, your injectors will more than likely be worn and need replacing. The 4JJ1 pistons have a higher tolerance to poor injectors but I wouldn’t leave it too long before getting them checked - especially if you tow heavy loads.

The information is in the videos

Make sure the under piston skirt spray nozzles are clean & no sluge buildup in the oil gallerys seen piston damage like in the vid' because piston skirt not getting oil spray especially turbo engines................

To get a standard block & pistons could maybe sourced from a main dealer , that said they may not supply to end user you the public it's not uncommon in the trade , but a proper crank & rebore is as good as it gets if built right , the reputation of the rebuilders is what you go on ...

🤣

1kdftv

GUN is a 3 litre

Nope

Metallurgist would use the term alloy to describe the chemical bond between metallic elements. Diesel mechanical video but hey there is materials science and chemistry as well.

Especially if they say STD on them because Genuine ones done I hate going

@@Fourby4Diesel I'm new to the channel, whats up with std pistons? I thought that was just the size measurement ? What have I missed?

@@aussiefarmer8741 My thoughts exactly.

​@@aussiefarmer8741you haven't missed anything. This guy's a twat. Std. Is standard bore. They aren't on oem pistons. But wiseco, ProX, vortex all mark their pistons with STD then thr bore size. Aftermarket pistons are better than oem

That's why using the internet as a tool to find reviews of the engine builder, asking on a forum who is good to go with

Service of EVs is gonna be even worse, lots of electrical high voltage parts, lots of sensitive electronics plus software. None of the mechanics will be good at any of those area. Do your research into Tesla and other EV repairs, its a nightmare. Ev will be disposable like iphones just buy new EV every 2 years

Agree.........However electric vehicles are a long way off being better IMO or even considering as a viable trade / (even less as a replacement) for a N70 3.0lt and alike! Anthony has been good enough to pass on his recommended service shops around most of Australia, so I suggest considering utilising them. I did in Brisbane, (K&L Diesel Performance at Rocklea, built the fastest 3.0lt N70 in the world) and was very happy with them........New Turbo, Injector full kit (with fuel lines ECT) amongst more minor mods for a total of $6K at 200,010KM now done 25000Km post major service. Another great educational video, all-be-it with a sad ending.

From your comment I can tell you would not qualify From your comment you don’t know me very well at all. I guarantee you no workers get looked after better than my assistant that will be here any day I ask him to that gets paid more than any other vehicle technician that gets taken out to lunch to a restaurant that starts and finishes whenever it suits him like I said you’ve got no idea and you wouldn’t qualify if you would like to argue the point feel free to come and pay us a visit and you can discuss it with him I’m sure he would be happy to provide you the information and watch you apologize

But probably the best video explanation I have seen ... I'm 57 mate ... So that makes you top kiddy for diesel 🎉

Neither is copper....

Do you consider those engines to be good?

Zinc is not attracted to magnet either

Yes, just use a steel washer.