JB weld EXTREME HEAT review... its garbage

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Don't take my word for it, check Amazon pictures and reviews. I have no idea what this would be good for...
Dear lord, the mixing nazis are here. I assure you I followed the directions to-a-T, I prepped the surface according to directions, I thoroughly mixed the product and applied it generously with a Popsicle stick. Maybe I used the wrong wood, probably should have used some bacote, or maybe I didnt hold my mouth open at just the right angle....
Video explains it all, I purchased this to repair a engine block that the previous owner left water in, it was cracked at the base and I had attempted to TIG weld it closed with stainless rods, it filled the hole but had hairline cracks that leaked. I wire brushed, etched with a carbide engraver and cleaned again; mixed up the putty and slathered it on, followed by applying a heater to help it do its thing. Today (24 hours later) I pressure tested the block to 10psi and it blew the patch apart.
Moral of the story: If it isn't covered in skulls and is known to the state of california to cause cancer... dont use it.

Опубликовано:

28 сен 2024

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Комментарии : 344

@sporsterini 7 лет назад

Years ago my dad threw a rod in his 18 wheeler. It knocked a chunk out of the block but it wasn't in the water jacket. He took JB Weld (regular) and glued the piece of block back in. I said it would never hold but he ran it for almost three years. Amazing..

@hvguy 11 месяцев назад

The 2 part KB weld is absolutely amazing.

@allywilkeforsenate 3 года назад

Regular JB can take up to 500 degrees.If your block gets hotter than that you have bigger problems than a hole in the block.

@jordananderson8299 2 года назад

I used the regular JB weld to hold a 4-wheeler's intake manifold on. It only lasted 3 days before it broke apart but the engine never gets to 500 degrees

@Bracgypsy Год назад

A long while back, we used the Marine Weld to fill a corrosion hole between the exhaust and water jacket in a 6HP Evinrude. The block is cast aluminum. Ran the motor hundreds of hours. Made sure the area was clean using acetone, and was properly prepped, reamed the hole to about 3/16" and cleaned of corrosion to bare metal. Let it cure for a couple days. Ran the motor probably a couple hundred hours. Sold it and the new owner is still running it.

@lawrencerobinson6700 5 лет назад

So. You need an engine. The $10 container of jb weld didnt fix your problem. So you call it garbage. Not really fair

@dreamsdocumtru81 5 лет назад

That stuff works great not the putty but the 500 degrees weld 5023 psi works it has to be don’t correctly and let it cure for 24 hours for a engine I would let it stand for 48 hours I repaired lots of engines and if don’t write it will last for ever.

@chase-db9jo 5 лет назад

Are you guys insinuating this idiot is a moron? I think you guys are jumping the gun for the mere fact the block doesn't look like it was really prepped. Combined with the fact he made a whole video on a cold weld and never bothered to tape the most crucial part. By that I mean the prep "and" the actual application of the product. I dont know about you, but he sounds credible enough. So, note to self: jb weld ex. heat is garbage. Thanks again dummy. I take great comfort knowing that if i do decide to try it and I forget how to use it i will refer back to this video and the step by step detailed walk through of exactly the steps you took and how you came to your rock solid conclusion. Again, well done sir.

@chrisalanwarren 5 лет назад

@@chase-db9jo I like the part when he starts with I welded my cast iron block with stainless rod and it didnt work, it cracked again....lmao.... yeah hes smart

@hvguy 4 года назад

@@chrisalanwarren if you knew anything about cast iron you would be a bit quicker to point out preheat etc. 304 and 316 are useful alloys for welding cast. But your entitled to your own opinion, even though your wrong.

@coreywilson3418 4 года назад

I have a 350 vortec with a cracked block can any one tell me how to properly jb weld it to last it's just a woods toy not really worried if it leaks a little

@OGKILLa9365 7 лет назад

That stuff works fine, the thing is you put way to much on it. You're supposed to drain the oil out of the engine if it even comes out slightly the JB weld won't cure properly..just put enough to fill in the crack and let it cure for about 2 days. Until it's really hard, I noticed it wasn't even fully Hardended when you touched it.

@Peppermint1 6 лет назад

Not sure about the title: it's garbage for your specific application, but it's good for many other applications for which it is very helpful.

@drippingwax 5 лет назад

For example?

@drippingwax 4 года назад

@Quirin I put it on my exhaust manifold and it cracked when it dried. By the way, as far as I can tell, this is just furnace cement.

@Clare.1985 4 года назад

@@drippingwax than you didn't do your part of prep work.

@joewhiteman9462 7 лет назад

thats cast iron,u can braze it with a nickel rod.its extremely hard to weld cast metals.and grind a notch for full penetration.

@hvguy 7 лет назад

i was going to braze it, however, directly behind the weld is a cylinder sleeve with brand new O-rings. I didnt want to risk damaging the seal and filling the crank with water and oil.

@michaelws6247 6 лет назад

Yea brazen seems about the only way. Sucks you’d basically have to rip it down bare to do it but.... do it once, do it right. Plus you could get a better look and make sure everything else is golden. Any updates on this yet?

@theneanderthal6854 7 лет назад

if you also read the directions this is almost specifically for exhaust manifolds that are cracked. it's not water proof the putty jb weld has is. you better get a sponsorship from jb weld or quick steel most bonding products are going to fail this test. FYI learn to read the box.

@BlackArab_ 5 лет назад

IKR! And plus exhaust manifold back pressure build up to about 7 psi and not shot right at it lol

@loosh__sii Год назад

i bought some and didnt see anywhere saying that is not water proof,but it does say solvent and fuel proof ,how could coolant be worse then solvents other than it being heated

@FartSuckerUmad 6 месяцев назад

@@loosh__sii*water based* , Kevin Wilson was right common sense ain't that common any more they actually say not to machine with cutting oils but you are technically correct, it does not say it's not water proof.

@MrOTcomputer 5 лет назад

ROFLMAO - Organic "Oh great!". Got to love that reaction....LOL

@ruizhernandeztrustfi 7 лет назад

I remember repairing my manual transmission oil leak using the regular J-B weld. It holds very well. (Knocking on wood)

@hvguy 7 лет назад

ruizhernandeztrust I almost considered good ol trusty jb weld... But figured if I paid more for a product, it'll be more gooder.... This was not the case 😂

@ryoamora8655 6 лет назад

Gooder, is that even a word? Or did you mean goober? Lmao

@anunentitledmotivatedmille7731 6 лет назад

Ryo Amora wtf is goober even a word?

@leetos.4915 Месяц назад

Hey thanks for ur info. I been thinking of applying it to my transmission hairline fluid drip underneath. Did u use the original jb weld? How’s it holding up after 6 yrs?

@bruceandrews4216 4 года назад

We used to solder cracks in the blocks on the old cars. Soldering will not work on a mounting point like engine mount but will repair a crack from overheating.

@kenw.1112 7 лет назад

I would of used the regular 2-part jb weld. I have used it to fix cracks in engine block and can take high temperatures.

@jordananderson8299 2 года назад

I used the regular JB weld to hold a 4-wheeler's intake manifold on. It only lasted 3 days before it broke apart but the engine never gets to 500 degrees

@manuelluis5456 7 лет назад

... did you cleaned the grease and rust BEFORE use J.B. weld , with ACID ?? ( Cannot exist any strange particles in the welding areas , especially greases and oils ).

@ibziahmed9750 2 года назад

You have to let it settle for 24 hours for max effect apparently

@mrkipple2080 Год назад

We drove a car 10 miles to the mechanic. After sticking a pipe in a Broken off. Metal water hose connector on the intake manifold. It got to the mechanics 💯. For a more permanent repair. So it works

@chestervaldes7551 6 лет назад

You should have used regular JBW for this- it's good up to 550F, is stronger, and bonds better. I get good results when plugging large holes by embedding glass cloth in it for added strength and helps bridge large gaps faster.

@seeya205 Год назад

This is good for 1100 degress

@rowlandwells4869 9 месяцев назад

A cast block - cold stitch weld. But that’s a dying art along with those capable of doing it - old school. Personally I’d have cashed the crack, thoroughly cleaned it & then cleaned it again. Then used JB Weld. Whilst waiting for it to cure Id have been look for another engine. I have used it to repair two cracks in the top of my cylinder deck, which is aluminium, on my Suzuki Samurai race truck. It does have the benefit of having the cylinder head to hold it all down though. If you don’t use it properly - don’t call it rubbish.

@FartSuckerUmad 6 месяцев назад

For future people his putty was still wet, press your finger nail 1cm in from the outside edge or the thickest area, it should leave no marks or indents, plus if this was to seal water its always going to have moisture effecting it This is water based so spraying it with water just ruined it o. Your leak test. you cant do this in this application but painting the inside and outside with enamel paint will seal it from water and oils etc making it last even longer. Had dynagrip extreme heat (jb weld bought their formula) last 11 years on a old 16hp briggs engine that threw a conrod, ground down with flapper disc, hit with blowtorch to remove oils, put some tig wire to bridge the large hole (imagine rebar in cement) and went to town dabbing this extreme high heat paste in the same spots filling air pockets Smacked with a hammer as hard as i could, approved it, rebuilt engine and its still there a few months ago when i replaced the the oilsplasher.

@CarMake 7 лет назад

this guy is hilarious! what jb weld did you go with in the end and did it work??

@hvguy 7 лет назад

XTR3MEBASS15 I ended up with jb marine. it still leaked a little. my friend suggested pulling a vacuum on the block to suck the epoxy into the crack. but that was after I sold it.

@CarMake 7 лет назад

Looked up the specs for marine weld, nearly 4000psi tensile stength is pretty decent. I have a hole between the exhaust port and coolant jacket of a petrol engine. (I've tried tig but its too narrow to get in there and I can't get the cylinder head hot enough to braze it, damn thing is designed to be a massive heat sink!) So my last resort is some kind of epoxy. what would you recommend?

@hvguy 7 лет назад

XTR3MEBASS15 there is a company out there and"im not gonna look it up" but they make epoxy that's specific for fixing blocks. Google around, I believe they use some sort of orange lid or container. Pretty good shit. I believe cummins even supplies it for repairs.

@cwatson42785 6 лет назад

Hvguy Next time you need to get the steel stick which is like a stick of putty that has the hardener in the core of it, you kneed it till it becomes one color and it will dry as hard as steel in 5 min and fully cured in 1 hour. That stuff gets extremely hard like steel. That stuff would definitely not blow out that easily.

@karkoskirachel5438 5 лет назад

@@cwatson42785 do you know the name of his product? Or any information you can give me so I can Google it? Like what the container looks like or the plastic it comes in? Anything?

@TheTyisawesome 2 года назад

I used regular JB weld and had basically the same results maybe it was because I only waited 20hrs to cure but the JB weld stress cracked as soon as I needed it to work...

@joeearley3351 5 месяцев назад

Depends on application small cracks, has to be clean, dry, and proper temperature. Will buy you time for a replacement part to become available especially a used one.

@nymcbikers6400 4 года назад

Welded it with stainless rod so I just needed to get something over to ???? Hold water ? Wat exactly did you say ? You just need to get something ???

@sheltiemanva 7 лет назад

I used MARINE TEX on this exact situation in three different scenarios over the years. One boat, one crawler and a truck. All worked perfectly.

@jordananderson8299 2 года назад

But it's more expensive

@d-rockanomaly9243 4 месяца назад

Did you do the fingernail test? Like it says on the instructions? To me that looked like it wasn't quite cured. It takes on a more matte look when it's cured that looked a bit glossy. You have to stick your fingernail in it and if you can leave a mark or indentation then it's not ready

@hvguy 4 месяца назад

Yup. Solid as a rock. Just didn't stick

@Peter-V_00 7 лет назад

Flame braze, TIG with aluminum/bronze wire or ni-rod stick would be the way to fix it or use a series of interlocking studs that are for cracked cylinder head repair, if it's thick enough you also could have put a series of interlocking 1/8 NPT plug along the crack as well. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Pq0wfU4ZaKk.html

@camerong9175 5 лет назад

Use it on heat application only not meant for pressure

@blackbearlifecasting323 Год назад

The problem you have is that you didn't run the engine to allow the material to heat up and further cure... The material streghtens with heat and any areas exposed afterwards to can further add material.

@nordic9570 4 года назад

Same thing with aerosol exhaust paints, they just don't last and as durable as coatings done in the factory. Stuffs similar to these are good only for barbecue stoves and other household heaters, nothing else

@archangel20031 3 года назад

The first mistake this guy is making is he's trying to patch a pressure leak from the outside of a pressure vessel. That's like taking a tire with a hole in it and putting a patch on the outside, and wondering why it's still leaking and the patches bulging. If you're going to patch a leak in a pressure vessel the patch has to be on the inside so the pressure increases the strength of the patch, so for this JB weld patch to work he needs to apply it to the inside surface of the block. Applying it to the outside is only going to let the pressure go through the crack press against the patch material and push it away. He also needs to stop both ends of the crack from progressing so he needs to go to the furthest extreme of the crack and drill a hole on either end to stop it.

@jd-uo8hc Год назад

That's a old school cooling system. 3-5 psi when at operating temp. I'm not saying JB weld extreme heat is good, because it's absolute trash. It also says to apply and then apply heat, if on exhaust let vehicle run to heat the sealant.

@02emma1 Год назад

I realised this is an old thread. I have a hole in my sump on a Toyota townis 1992. Would this jb weld be able to fix that Do you think?

@hvguy Год назад

Absolutely not. Just clean it real good and use the original 2 part JB weld.

@jgfyujiyyrfbhkjtrrvhujmbvfref 7 лет назад

Your spose to cure it with high heat for about an hour , maybe 200 c, the liquid powder rises to the surface and you can wire brush it off, whats left is the fused metal powder grit thats diamond hard, extreme heat is for things like exhaust manifolds , furnace molds etc where there is enough heat to cure, exhaust mufflers etc are too cold, you would need a flame to cure, down side of this stuff is very little contact bond strength and brittle so need very rough surface, mix it with jb marine weld and acetone to stop it turning to clumps clumps might work

@lonestarkennels4117 7 лет назад

s s what can I use on an engine?

@ryoamora8655 6 лет назад

Spose? Lol

@russ_vee_jr4199 4 года назад

If you could press your fingernail into it, it wasn't cured. AND, if you welded (braised) the crack with a stainless rod and it didn't hold, how did you expect JB Weld to hold?

@hvguy 4 года назад

Because JB Weld is a two-part epoxy, and not a heat intensive molten metal device lol

@trackpackgt877 Год назад

The high heat stuff is to brittle should have used the steel stick putty it can handle a lot of heat it would have fixed that and it needs a lot of time to cure it looked like that stuff just wasn't cured yet. I fixed a hole caused by a rock in a side case on a XR 200 ran that bike for a decade when I was a kid never leaked again I didn't use the high heat stuff either just steelstik

@markjohnson7508 3 года назад

It's just a steel epoxy... that u used incorrectly. It's only to be used on holes and never stress fracture. U can't expect an epoxy to hold up to those kind of stresses. Jb weld marine is better. Its resistance to oil and gas is much better. If u can't have it welded, Ur gonna have to fabricate a steel plate from some mild steel to fit along the cracks and line it up then Drll 4 7/16 holes tap them to some grade 6 fine thread bolts .. clean site w grinder creating a small trough then fill area mount and tighten plate.

@lensmanicfeleven1847 9 месяцев назад

...Have not seen that stuff...Looks like Radiator sealer.....Regular JB Weld works GREAT....why did you use Stainless Rod on Cast Iron ?...

@hvguy 9 месяцев назад

Stainless rod on cast iron usually works, my issue is I don't believe I heated the block up enough and it cooled off too fast

@nyinfamous2k2 7 лет назад

lol, I feel your pain man. having to get that shit off and re do it. I was about to use this on my motorcycle pipes to fix a broken heatshield. glad I watched this first. my pipes get around 800 dgrs so regular jb weld even high heat wont work. what would you recommend for high heat other then this crap.

@floridaforecast 6 лет назад

A welder

@rontopping7811 Год назад

You purchased wrong product. High heat that you mix is awesome. Fixed cracked block

@Friedrich-Wilhelm-1980 3 года назад

you need to use the original jb weld its 5000+ psi flexible and safe up to 350f

@hvguy 3 года назад

Yup. Shit is badass. Check project farm. He did an episode on it

@luisespino6300 3 года назад

Is that the one with two things of them to mix?

@Friedrich-Wilhelm-1980 3 года назад

@@luisespino6300 yes

@MandoRamirez-c1u 5 месяцев назад

You need to mix it well for about 5 mins or so tell it mushy then put one layer on whatever item then a second one after four hours then if you need a third layer wait another four hours go ahead then let it sit for 24hours let it run with some heat from the machine then you should be good to go

@muddboss5700 7 лет назад

the original jb tends to work better... i patched the block and my oil pan (which the crank hits alot) in my jeep and its still holding perfectly fine. no cracks or anything.

@markdavich5829 4 года назад

You're not working on an engine block dude, that's a boat anchor and if you had taken the time to read the directions on that particular tub of J-B Weld you would have found that nowhere on the label does it say you can repair a boat anchor with it.

@cybersylo5786 5 лет назад

Regular JB weld is where it is man. Clean the surface, put regular jb weld on it, let it sit for 24 hours. Good to go.

@chase-db9jo 5 лет назад

I think I have a better idea. Whatever your holding? Put down. Take a step back, then another, then another, then another, keep that up til you bump into someone smarter than you. Shouldn't take long at all. Your welcome.

@chase-db9jo 5 лет назад

@@cybersylo5786 I wasnt referring to what you were saying. I didnt clarify properly. I actually agree, I haven't found anything better than the original. But the prep is everything. It didnt look like the surface he prepped was ready

@brandywell44 5 лет назад

Cracked blocks have go through a process called stitching to repair. Engineers in the Farm industry should be able to help you.

@renosgarage7451 4 года назад

regular jb weld likely would have worked fine, that high heat stuff is junk

@JM-nh8yp 4 года назад

Probably works great on something like exhaust that doesn't get wet.

@DragonPop64 6 лет назад

READ THE INSTRUCTIONS.

@TCRTechLife 2 года назад

That stuff takes anywhere from 24 to 72 hours to completely cure

@alexmckenzie4325 5 лет назад

U know u need to mix it up very well right?

@jacobcoats5891 5 лет назад

Only use the original JB Weld. Lesson learned. 👍

@brax300 5 лет назад

Jacob Coats so don’t use the heat special one?

@williammcgrath2844 6 лет назад

You don't weld cast iron with stainless. Use a 7018 or 7011 with 6010 hot pass first.

@hvguy 6 лет назад

William McGrath on the contrary, nickle sticks to everything which is why you weld cast with a high nickle rod.

@williammcgrath2844 6 лет назад

He welded it with stainless. I know you can weld it with nickel I didn't say you couldn't. Reason I said a hot pass with a 6010 rod it would preheat it first so the 7018 could lay better. I was a welding instructor and now an inspector and know my welding and temps very well

@activemanishere 5 лет назад

Hot pass is the terminology for the second pass of an open root weld... typically turned up to a higher amperage to clean up the messy root pass... the initial (root pass) is a little hard to run hot as you will blow it out...

@andehman5192 5 лет назад

Doesnt say the strength because its for something less than 1"².... like a crack or fracture. Not a 1" x 3" hole😭

@BurtBowers 2 года назад

You cant repair metals once they crack regardless of being aluminum or casted metals.

@mp-xt2rg Год назад

You need need to drill each end of the crack. Then grind the crack into a trench. Then braze it.

@hvguy Год назад

Yup. I did

@1000186ful Год назад

If its cast iron buy nickle rods and weld it with stick

@bigmuller1 4 года назад

So I welded my steel block.with stainless rods....who's a clever boy....... If you try belzona metal.you won't have any problems

@mr.actiongal1017 7 лет назад

Step 2: Mix. . . . . . . . . . . . . . . .. . . . 2:39 www.jbweld.com/products/j-b-extremeheat

@hvguy 7 лет назад

I did mix it.

@mr.actiongal1017 7 лет назад

Hvguy you said that it comes already mixed after thinking it's wasn't a 2 part

@hvguy 7 лет назад

It comes mixed, however its somewhat separated when you get it. I was pointing out that its not a typical 2 part mix.

@TangoCharlieAlpha 5 лет назад

Like putting bubble gum on a hole in a dam. You really needed to weld and repair it properly. It's an unfair assessment of a product not designed for this magnitude of repair. And any product that isn't a 2-part product isn't usually worth a rip anyways. Sorry about your engine, but you were expecting a LOT here.

@Raulitolaleyenda 9 месяцев назад

If that works, you probably didn't do the corresponding steps.

@hvguy 9 месяцев назад

I didn't see your video showing how good it is....

@hvguy 9 месяцев назад

Also, poke around on Amazon. It has shit reviews saying the same thing.

@Raulitolaleyenda 9 месяцев назад

@@hvguy We live in a country where if a manufacturer gives false testimony about his product he can be sued and that is why he explains how to use it if you don't do it the way he explains it then it won't work. No millionaire is willing to lose millions for something that the you know it can't work

@patrickossowski5632 2 года назад

looks like it wasnt like properly

@LouMontana-wc7nr 6 лет назад

Someone bitch slap this guy!

@EliteSniperFMJ 6 лет назад

looking to patch up a old pit read a few reviews that had the same results as yours so appears this stuff is crap!

@nymcbikers6400 4 года назад

Hard to understand all your words kept replaying it no clue

@joeyalspach3267 Год назад

It's water base!!!! Water will soften it instantly.......

@hvguy Год назад

What junk. Water based 🤣🤣🤣

@joeyalspach3267 Год назад

@Hvguy yea then they saying automotive engine blocks.......blablabla...... I bet 99% of 5he times your going to be fixing something in the jacket.......

@shienkalitvinov 11 месяцев назад

hould have heated the block with blow torches ... and stick welded

@hvguy 11 месяцев назад

With a nickel rod maybe. But that's why I used 304 rods, and the block was heated prior.

@namewitheld Год назад

Operator error

@hvguy Год назад

Followed directions. Let it dry... Dried Play-Doh would have been a more suitable fix

@jimvogiatzis1384 6 лет назад

jb weld is a serious product--very profesional --i am shure you are not a lisensed tech-----sorry for the spelling mistakes-- i have a good movie for you called ratatoullie with the mouse,the stuff you put on the block the mice will eat it,now take it off boy

@LighthouseProductions1 6 лет назад

Yeah you gotta stick too original JB weld not this kiwk or heat resistant knock off.

@westhouse4641 4 года назад

I know super old but the extreme heat is water soluable...

@hvguy 4 года назад

But it advertised it as good for marine and high temp tho. 😞

@westhouse4641 4 года назад

Hvguy miracle in a can is hard to come by, so they sell us a jack in a box filled with our hopes and dreams lol realize they advertise its danger to skin contact yet instruct you to use your finger nail to test if its cured. on the real though, how much did you use half? more? less? did you ever end up fixing it some other way afterwards? I'd have leaned towards plasstidip or some "flex tape," variant. or regular solder, maybe even even some type of acrylic or epoxy.

@tickyul 6 лет назад

Yeah, I do not think the application was proper.

@maxy2237 7 лет назад

mighty pudy

@noohopeforhumanity6245 6 лет назад

Lies I went and got some yesterday and tryed it and it worked for me

@hvguy 6 лет назад

noo hope maybe I had a shit batch

@angleturner 5 лет назад

Shoulda used marine tex. Problem solved.

@YOBREADKNIGHT 4 года назад

Hey Tonka tracker, wanna get away?

@bthompson1767 3 года назад

It scares you don’t use it

@BigKahuna61 2 года назад

Sounds like wrong application

@fredsanford1437 4 года назад

Ummm looks like it should of dried longer 🤷‍♂️

@hvguy 4 года назад

1 day isn't long enough?

@fredsanford1437 4 года назад

Hvguy considering you acknowledged it was still wet... I guess it does need more time. I’m not defending this product, I was curious about its performance and found this video 👍

@benb6289 7 лет назад

should have used Belzona. They have a proven track record and lots of technical know how. www.belzona.com/en/applications/engines.aspx

@joepaullawncare7222 Год назад

Not cured bro

@hvguy Год назад

I followed directions.

@joepaullawncare7222 Год назад

@@hvguy if you can put your fingers in it it's not cured it states at lower temperatures it will take longer that or you didn't mix it properly

@ruizhernandeztrustfi 7 лет назад

Thanks for the warning.

@Rusiputki 7 лет назад

Even when these products work the cost for 15-30ml tube is laughable. But it has saved my ass when I was trying to pawn something as brand new and working on CraigsList

@ryoamora8655 6 лет назад

So you conned someone on Craigslist, outta their money for a shitty item... Congrats, scumbag.

@anilrehmatullah7906 5 лет назад

damn it that was you fucker, now im tryna take this shit off

@jackfrosty79ify 3 месяца назад

Most all of it is crap .

@jeffmonik7249 7 лет назад

Why would you come on RU-vid and expose yourself as a foul mouthed punk?

@hvguy 7 лет назад

Jeff Monik a foul mouthed punk lol, because this is American and I can do whatever the fuck I want. Just like you voicing your opinion. Welcome to freedom brother.

@jewsrbad 5 месяцев назад

You welded CAST iron with stainless rod? WTF? Why would anyone trust your review after that??

@mr-t1243 6 лет назад

Most tests I’ve seen with jb weld the original seems to be the best

@Peter-wi5lp 5 лет назад

Your video shows the problem was the mechanic and not the product. JB Extreme should never be used were it comes into contact with water. This dissolve when it comes in contact with water. Should of used J-B weld twin tubes (8265S)

@colonelaengus7005 2 года назад

My first truck was a 70's chevy luv with a crack in the block. My dad and our neighbor who was a pilot chiseled chunks around the crack and let j-b weld set for a couple days. This was done in 1994 and the owner of the truck still drives it.

@MyLifeThai371 4 года назад

I ordered this product and am still waiting for it to arrive. In the mean time I had some regular JB quick weld on hand, so I used that on an exhaust pipe leak between my drivers and passenger seat. 700 miles later I crawled under the car with a bottle of windex and sprayed the repair area, while I had a hose hooked to the exhaust of my shop vac to pressurize the exhaust system. No leaks like before. Amazing JB quick weld held up on an exhaust pipe, since it is only rated for 450 degrees. I'm sure an exhaust manifold gets much hotter than the exhaust pipe though.

@hvguy 4 года назад

Hard to beat the good old stuff

@MichelLinschoten 6 лет назад

Garbage definition * Tried to weld cast iron with stainless steel rods * Tried to weld cast iron without pre-heating block * Chooses the WRONG patch material for the job I understand your frustration, but you cannot deny who really made the mistakes here.....hint: You..

@AdrianMNegreanu 5 лет назад

Welding cast iron gave it all away :))

@hvguy 4 года назад

@@AdrianMNegreanu a little late to the party here but a quick search will show you welding cast is viable. Using this garbage product on a block is not. 🙃

@medic173 2 года назад

It wasn’t even fully cured yet. And u probably didn’t even clean the applied area properly. U should have just migged or tigged weld it

@CashApp-HelpMeStayAlive 5 лет назад

I used this to fill in a Cavity. 4 years chewing and its Held up Great . Dentist wanted $268. Edit : 5 years now . Going srong. Just a mild headache with static energy from time to time.

@anilrehmatullah7906 5 лет назад

I kinda dont doubt it.

@Wastekidd50000 5 лет назад

😂😂

@MotorcycleMouse 4 года назад

Lol as a medic this is the most grunt shit I’ve ever heard

@Lessoninablessing 4 года назад

Lol 😂

@nickbrockelman 4 года назад

I have used JB weld steelstick epoxy putty stick to fill my cavities in my teeth. IT WORKS GREAT. They make a hydraulic version thats even white. The key is in the preparation you have to make sure your tooth is very clean and that there's no chance for bacteria living in the cavities to be alive which means peroxide and soaking in alcohol . you don't want to seal the bacteria up inside the tooth where it will just create pressure and causes pain. If you do it correctly it absolutely will hold for years. The other thing you need to take into account is your bite down after you put it in your tooth you must make sure you could bite down to create room for your teeth or it will be painful after curing

@D.Lee.W 3 года назад

JB weld extreme heat is water soluble. That is why it didn't work for you. You are trying to seal a water leak with a substance that is water soluble.

@ronfancher2919 5 лет назад

I noticed that you had 15 lbs pressure on the cooling system, i don't know how old your case is but most of the older systems and likely the later ones as well don't need a pressurized system you should be able to run your case with no radiator cap at all, i could be mistaken this is just my experience.

@StephGrobler1 Год назад

In South Africa we have an epoxy called Steenvas, it's designed to fix broken engine blocks.

@SG-gc7mn 27 дней назад

@3:15 spoke the truth brother!! If it doesn’t say that is dangerous for the Californians then probably isn’t very good!! 😂

@johnhalchishick7094 4 года назад

I have used it for all kinds of repairs.Love the stuff

@timerickson2141 6 лет назад

I know to use antifreeze in everything and shut shit down when it's overheating . I have seen many cracked blocks and heads over the decades I have been fixing equipment. EVERYONE of them has been because of no antifreeze or overheating. Overheating cracks are almost always in the head or in gas engine cylinder walls block cracks are from not keeping antifreeze in the motor.

@ray5961 Год назад

I just spoke with the techs at JB Weld this week. I asked them about this Extreme heat product and they told me it dissolves if it comes into contact with water - WTF? I think had you used normal JB weld, your repair might have worked out okay. I honestly can't figure out what the purpose of the JB weld extreme heat product is. The website says it can be drilled, sanded, etc. and it's good for all sorts of things. But if you call the company, they will tell you if it comes into contact with any water, it will dissolve. If you check the product on the website, 30-40% of the Q&A is JB weld telling people "that won't work, it will dissolve if it comes into contact with water". What kind of silly product is it? I'd like to know what you could use it on where water isn't a potential risk.

@hvguy Год назад

Wtf?!? What kind of bullshit product is this 🤣🤣🤣

@ray5961 Год назад

@@hvguy My sentiments exactly haha.