JB Weld Success?
Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
I hate it to say I did it, but, I used it inside an engine.
My oil pump shaft came out with the dist. on my 390. I used JB Weld to hold the shaft to the dist. so it would not drop into the oil pan. I had just finished resealing my 80 pound manifold and I did not want to pull the pan (been there and done that) at 10 p.m..
I waited until the JB Weld Quik was just about solid, but, still moved a little and inserted the dist into the hole so the alignment would be correct once set. I let it cure overnight along with the RTV for the manifold. So far, no problems, but, I do not push the engine to 6k either. Not recommended for the faint of heart.
My oil pump shaft came out with the dist. on my 390. I used JB Weld to hold the shaft to the dist. so it would not drop into the oil pan. I had just finished resealing my 80 pound manifold and I did not want to pull the pan (been there and done that) at 10 p.m..
I waited until the JB Weld Quik was just about solid, but, still moved a little and inserted the dist into the hole so the alignment would be correct once set. I let it cure overnight along with the RTV for the manifold. So far, no problems, but, I do not push the engine to 6k either. Not recommended for the faint of heart.
Fleet Owner
Joined: Aug 2001
Posts: 29,941
Likes: 46
From: Drummonds, TN USA
Originally Posted by rebocardo
I hate it to say I did it, but, I used it inside an engine.
My oil pump shaft came out with the dist. on my 390. I used JB Weld to hold the shaft to the dist. so it would not drop into the oil pan. I had just finished resealing my 80 pound manifold and I did not want to pull the pan (been there and done that) at 10 p.m..
I waited until the JB Weld Quik was just about solid, but, still moved a little and inserted the dist into the hole so the alignment would be correct once set. I let it cure overnight along with the RTV for the manifold. So far, no problems, but, I do not push the engine to 6k either. Not recommended for the faint of heart.
My oil pump shaft came out with the dist. on my 390. I used JB Weld to hold the shaft to the dist. so it would not drop into the oil pan. I had just finished resealing my 80 pound manifold and I did not want to pull the pan (been there and done that) at 10 p.m..
I waited until the JB Weld Quik was just about solid, but, still moved a little and inserted the dist into the hole so the alignment would be correct once set. I let it cure overnight along with the RTV for the manifold. So far, no problems, but, I do not push the engine to 6k either. Not recommended for the faint of heart.
Go find the last person to put an oil pump in that machine and SLAP THEM!!!
Last edited by Greywolf; May 17, 2005 at 02:42 AM.
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
JB Weld is ok, but it's still a mechanical bond that is only as strong as the surface area it is stuck on and the tooth of the surface, and it will never be as strong as a molecular bond of a real weld.
Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
I would like to slap them silly, but, it probably still would not wake them up. This truck came home on a flat bed for good reason. The guy told me it was a "hunting truck", which meant to me a junker. The heater was not working because 22 LRs where blocking the vents and hinge on the doors when the fell off the dash.
The first time I pulled the pan I actually pulled a complete tree leaf from the pan along with red RTV. I found beer bottles and cans inside the door panels when fixing the regulators.
The only way I could fix the electrics and lamps was by cutting everything out with a pair of snips.
If the motor did did not have 68 psi on two pistons I might have dropped the pan ... but I figured JB Weld could not hurt things much
The first time I pulled the pan I actually pulled a complete tree leaf from the pan along with red RTV. I found beer bottles and cans inside the door panels when fixing the regulators.
The only way I could fix the electrics and lamps was by cutting everything out with a pair of snips.
If the motor did did not have 68 psi on two pistons I might have dropped the pan ... but I figured JB Weld could not hurt things much
Logistics Pro
Joined: Apr 2004
Posts: 4,292
Likes: 5
From: NJ where fun comes to die
I used it inside a motorcycle carburetor. One of the studs that held the float was broken off so I put it back together with the JB Quick version. Has held for the last 9 years.
Logistics Pro
Joined: Nov 2004
Posts: 3,550
Likes: 5
From: Lancaster County PA
It did not work to repair my cracked plastic coffee cup. The heat of expansion re-opened the crack after a few uses. I had considered using something like the paper clip idea to strenghten it, but the this was the cup I could put in the microwave to reheat the coffe and we all know what happens when you put metal in the microwave.
On the other hand, it worked great to repair a cracked electronic ignition coil for an Echo string trimmer. I was having great difficulty locating a replacement and the cost was going to be about 80 bucks anyway. The spark was jumping from the secondary windings to a fin on the cylinder. A dab of JB sealed it and it has not shorted out since!
On the other hand, it worked great to repair a cracked electronic ignition coil for an Echo string trimmer. I was having great difficulty locating a replacement and the cost was going to be about 80 bucks anyway. The spark was jumping from the secondary windings to a fin on the cylinder. A dab of JB sealed it and it has not shorted out since!
Posting Guru
Joined: Nov 2003
Posts: 2,107
Likes: 3
From: California Desert
If it is a metal to metal bond...I will ALWAYS use a real welder. If it is not metal to metal and/or I can't make a drywall screw work first...out comes the JB Weld.
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Posting Guru
Joined: Jun 2002
Posts: 1,203
Likes: 2
From: where the deer and antelo
It is not as good as Paul Harvey makes it out to be, but in my experiance works good when the surfaces are clean, and not great amount of stress or pressure is involved. I have patched several holes in gas tanks. I patched a hole in a lawn mower crank case that held for as long as I had the mower. I have used it several times where it failed, and over the years I have learned where it will and won't work (most of the time). I use a piece of window screen to add strength to repairs on broken hard plastic with some success.
I believe like maticuno, drywall screws are great for fixing most anything.
I believe like maticuno, drywall screws are great for fixing most anything.
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