Jb weld vs pes 101

SVcummins

Well-known Member
Here?s the specs for both products
cvphoto101.png


cvphoto102.jpg
 
I do not believe either will hold up to flexing, make sure all repairs are done, things are secure. You might not need this if things are up to snuff.
 
Both are good, as is Devcon and Gorilla products for the same purpose. DSon't fix the leak till the repair is completed. When fixed,cleaning to bare metal is the key to success. Jim
 
The block repair is destined to fail then . Tried to fix a cracked transmission housing with some quick steel and there is just enough flex that it failed within a week of the repair . That?s what causes the block to crack in the first place
 
The products are all pretty similar--it's the user's expectations that may vary. I like to think of these as a "band-aid" until a permanent repair can be made. Which, by the way, may never happen. OR....a last resort because no permanent repair is planned for whatever reason. Things happen. If everything that's broke got fixed, there'd be no time for fun, right?

My personal success with JB weld: Shop quoted me a lot of money, just south of a grand, to replace the heater core in an occasional driver. No thanks. Slight dimple in the heater core nipple poking through the firewall allowed a small drip from the hose. Just a little drip. Took off the hose, roughed up the metal on the nipple, smoothed over the dent with JB weld and let it cure. Drove it for over ten years until I sold the car. No leaks.
 
I've patched a couple of leaking gas tanks on my International trucks with a sheet metal screw and some JB Weld smeared over them. Been over 20 years now and no leaks.
 
I have never had any luck with jb weld around oil never tried it
on gas . Permatex makes one called cold weld and I like it
 

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