What penetrating oil??
Discussion
This https://www.toolstation.com/action-can-ac-90-twins... when on offer.
You need to find out what those YouTube restoration masters use.
They can drag the rustiest piece of machinery imaginable from the bottom of a salt marsh, give it a squirt of their magic fluid and hey presto! the fasteners easily come undone , time and time again.
I suspect it' must be some combination of mermaid's fanny batter, unobtainium paste and unicorn jizz, but If you do find out what it is, please let us know
They can drag the rustiest piece of machinery imaginable from the bottom of a salt marsh, give it a squirt of their magic fluid and hey presto! the fasteners easily come undone , time and time again.
I suspect it' must be some combination of mermaid's fanny batter, unobtainium paste and unicorn jizz, but If you do find out what it is, please let us know
Evoluzione said:
It's all a total waste of time and money, sorry.
Most of the time I agree. But if the circumstances are right it will help. I had a totally seized pedal assembly from a 1937 Buick that I had to salvage, I dipped it in brake fluid and diesel for a while and it all unstuck.
They are all much of a muchness. Despite the internet fanboys having a fit if anyone uses WD40 ("it's not a pentrating oil it's a water displacer" being screeched at regular intervals) it's never worked any worse or better than anything else for me. None of these sprays dissolve rust, they only help once you have broken the rust bond in a threaded fastener at which point they all help.
LimSlip said:
They are all much of a muchness. Despite the internet fanboys having a fit if anyone uses WD40 ("it's not a pentrating oil it's a water displacer" being screeched at regular intervals) it's never worked any worse or better than anything else for me. None of these sprays dissolve rust, they only help once you have broken the rust bond in a threaded fastener at which point they all help.
WD-40 def can be useful, if only to clean up the threading a little in a pinch - used some to help clean crayon off some wallpaper from my son when he was little also 
The point about lubricating the thread after you've cracked it is correct, if it's solid to begin with then no magic potion is going to get in there - end of story. Serious heat is the thing to use if they are totally seized.
In the video:
The nuts came off with no magic potions applied so it was a total waste of time.
The studs were pointing upwards so gravity helped, this is a very rare thing to find on any normal car.
Lets see him put some zinc plated bolts through an aluminium suspension component or hub, apply salt water for 10 years then try get it undone as is the case in real life. I'd pay good money to watch that
9 times out of 10 it isn't possible to remove a seized part from a car as it's normal for whatever is stuck to be holding it on or it's too big to be soaked in a container.
If I've set aside Saturday to strip down something and replace it then that's when it has to be done, I can't wait for some jizz to try and do its best for 3 days. It needs to be off, done and car back on the road.
In the video:
The nuts came off with no magic potions applied so it was a total waste of time.
The studs were pointing upwards so gravity helped, this is a very rare thing to find on any normal car.
Lets see him put some zinc plated bolts through an aluminium suspension component or hub, apply salt water for 10 years then try get it undone as is the case in real life. I'd pay good money to watch that
9 times out of 10 it isn't possible to remove a seized part from a car as it's normal for whatever is stuck to be holding it on or it's too big to be soaked in a container.
If I've set aside Saturday to strip down something and replace it then that's when it has to be done, I can't wait for some jizz to try and do its best for 3 days. It needs to be off, done and car back on the road.
Reading this thread it occurred to me that I have (usually) around 1000L of Kerosene in a tank in the back garden.
The tank even has a tap fitted where the sight glass attaches.
Its fairly fluid but presumably it would mix with hydraulic oil (?) and at least equal the diesel recipes already mentioned.
Next time a household squirty gun becomes empty I'll give it a go.
I'll still buy WD40 though as for turning / tapping aluminium on the lathe it the dogs ' .
Paul G
The tank even has a tap fitted where the sight glass attaches.
Its fairly fluid but presumably it would mix with hydraulic oil (?) and at least equal the diesel recipes already mentioned.
Next time a household squirty gun becomes empty I'll give it a go.
I'll still buy WD40 though as for turning / tapping aluminium on the lathe it the dogs ' .
Paul G
sparkythecat said:
You need to find out what those YouTube restoration masters use.
I suspect it' must be some combination of mermaid's fanny batter and unicorn jizz.
Which makes me wonder what the mermaid and the unicorn have been doing together?I suspect it' must be some combination of mermaid's fanny batter and unicorn jizz.
As for the various magic potions, I find them to be all much of a muchness and less useful than swearing at the seized fastner. At least swearing at the seized stud makes you feel better......briefly.....until it snaps, requiring you to then spend the next hour drilling the b
d out 
IMO prevention is better than the cure. Which is why I always use Copperslip on fasteners and I curse those that don’t
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