JB Weld

I used it on my intake manifold when it had a crack. A year later, when I got rid of the car, it was still holding strong.

JB Weld is quite good. If you use epoxies correctly, they work and last.

>>15671888
It's never failed on me for non-heated or non-moving parts.

Anything that I've put it on that was heated or moved did fail.....

>>15671888

It cracks when you use it on a moving part, like in a leaky joint on the exhaust, and also because you used too little of it or mixed it wrong.

Used right and it is almost as durable as a weld

>>15672013
>Used right and it is almost as durable as a weld
Complete bullshit. Plastic is stronger than this shit.

Mixed it 50/50, used it on a cracked mounting tab. Let it dry for three weeks. Remounted it. Cracked again in the same spot within a day.

>>15672028

Like a tap for an exhaust? That moves and vibrates?

Found your problem

>>15672043
Like a tab for a headlight.

File: 1471716057959.jpg (49KB, 570x427px) Image search: [Google]

49KB, 570x427px

>>15672028
>I put epoxy on a thing that gets torqued to the point that it cracked
>and then the epoxy cracked
>epoxy is shit

>>15672047

Did you ever think about what cracked the tab in the first place

>>15672047
Ie a part that gets heated.

JB weld doesn't do well with hot cold cycles.

I ran over a rock while camping, used JB Weld to fix the crack (aluminum oil pan fuck you Saturn)

It held me the 45 miles to get home.

>be careful if you do this, it's an oil based epoxy - if you don't drain all the oil it'll drip Straight through the JB Weld and not plug anything.

>>15672054
>Did you ever think about what cracked the tab in the first place
It's German plastic?

>>15672050
I figured the repaired tab wouldn't be as strong as it originally was so

I was careful as possible mounting the headlight back in making sure that the tab I fixed wasn't loaded up by the other mounting mounts. The tab in question was already snug against its mount and its screw was the last one installed. I tightened it as little as possible.

It's a miracle of the universe. Love the stuff. You can even machine it. Sounds like you improperly mixed it OP.

>>15672080
>a torqued part breaks
>lol the plastic must be shit

sigh

It even conducts electricity. I've used it in places where soldering would have been a problem.

>>15672089
never owned a german car detected

Used it to fix a very small crack on the top of a brass radiator on a mid 90's Toyota pickup, still no leaks after at least 10 years.

>>15672102
Really?

I've used JB weld on a fuel vent tube.

Once jb welded a hole in my AC condenser. Was worried about the hot cold cycles, but 9 months later and it's holding strong