number-1
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| posted on 29/3/21 at 04:44 PM |
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best penetrating fluid?
Can anyone tell me the best penetrating fluid for rusty exhaust bolts? Search didnt work for me. Ive got WD40 but no doubt there is a better one out
there.
Cheers ears
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r1_pete
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| posted on 29/3/21 at 05:01 PM |
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I have a bottle of ATF mixed 50/50 with paraffin.
I haven't found anything better, once things start moving keep laraping it on, and work the nuts back and forward so it works into the threads.
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gremlin1234
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| posted on 29/3/21 at 05:10 PM |
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wd40 is not a penetrating oil, it is for Water Displacement (and about their 40th attempt at that ;-)
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motivforz
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| posted on 29/3/21 at 05:19 PM |
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Plusgas has always been the stuff for me!
Screwfix sell it Link
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adithorp
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| posted on 29/3/21 at 05:37 PM |
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Plus-Gas has always been good.
Q10 (as supplied until recently by pif on here) is very good.
Spanner-in-a-can is astonishingly good.
http://www.q20oil.com/ProdQ10.aspx
https://www.envirotec-industries.co.uk/torsion-plus
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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perksy
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| posted on 29/3/21 at 05:38 PM |
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Plusgas
Its got me out of the s**t many times
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rusty nuts
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| posted on 29/3/21 at 05:59 PM |
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Inotec Deblock , way better than Plus Gas. 50/50 mix of acetone and ATF is supposed to work well
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Mr Whippy
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| posted on 29/3/21 at 06:58 PM |
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A blow torch works way better though, especially on rusty exhausts. Heat is your friend when dealing with rust. Get it red hot and the rust is gone,
then soke it with oil and it will just come apart with no hassle or damage. Another trick is to tap the spanner holding the nut by the ring end,
lightly trapping with a hammer, tap tap tap keep going and no snapped bolts or brake bleed screws. Some of the things you learn when restoring old
cars...
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spiderman
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| posted on 30/3/21 at 12:35 AM |
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KY Jelly.
Sorry I couldn't resist 
ATF/Acetone 50:50 mix is my option.
By the way KY jelly is great for rubber seal applications as it is rubber safe and widely available and cheap.
[Edited on 30/3/21 by spiderman]
Spider
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sdh2903
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| posted on 30/3/21 at 06:41 AM |
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Mouse milk. The best I've ever used, but very £££
More commonly available plusgas is good stuff.
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snapper
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| posted on 30/3/21 at 07:03 AM |
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quote:
Originally posted by Mr Whippy
A blow torch works way better though, especially on rusty exhausts. Heat is your friend when dealing with rust. Get it red hot and the rust is gone,
then soke it with oil and it will just come apart with no hassle or damage. Another trick is to tap the spanner holding the nut by the ring end,
lightly trapping with a hammer, tap tap tap keep going and no snapped bolts or brake bleed screws. Some of the things you learn when restoring old
cars...
I’ve recently done an exhaust on my tin top and heat is what finally got the nuts off the U bolts, no amount of freeing fluid made any difference
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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John P
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| posted on 30/3/21 at 08:12 AM |
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Before I retired I always had a ready supply of Ambersil penetrating oil in aerosol form which worked very well:
http://www.ambersil.com/ambersil/AMBproductdetail.csp?product=PENETRATING%20OIL%20(AMB)
I've also used a "Shock" release product which wasn't this actual one but very similar:
https://www.screwfix.com/p/arctic-products-crack-it-shock-release-spray-400ml/83415
John.
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nick205
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| posted on 30/3/21 at 09:57 AM |
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Plusgas has worked for me before, but above that (as recommended already) a bit of heat wins hands down. Just be careful of the surroundings!
I've used a blow torch before on a rusty seized nut and heard it ping as the heat makes it release.
[Edited on 31/3/21 by nick205]
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MikeR
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| posted on 30/3/21 at 11:07 AM |
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Ref the ky jelly suggestion. I was trying to push in my suspension bushes late on a Sunday. I was failing. Sainsbury's was still open so in a
flash of inspiration I went and bought a larger tube on KY whilst still stressed in my garage scruff clothes.
KY wasn't that effective. The next day I bought some proper rubber and nylon lubricant. Sprayed it in the kitchen to test and the bushes slipped
50% in by hand. So much more effective. Went into the garage and completed the job. Came in and slipped on the floor from the earlier over spray.
Moral of the story - dunno but I've never sprayed lubricant in the kitchen again.
NB was single at the time before you wonder how I want murdered by the other half & no I've never tried rubber and nylon lubricant for
anything else!
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mcerd1
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| posted on 30/3/21 at 06:33 PM |
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always heard good things about Plusgas, but never used it myself
the best stuff I've ever used was metaflux's rust solvent spray: (but it's not cheap either  )
https://metateconline.com/collections/the-lubrication-station
these ones are ok too, not the best I've used but not bad for the money:
https://eshop.wurth.co.uk/Product-categories/Rust-remover/310830080501.cyid/3108.cgid/en/GB/GBP/?NativeSearch=*%253A*%2540%2540+%252B%2528CategoryUUID
LevelMulti%253A3108+%2529+AND+%252Bvisibility%253A3108+%252B%2528CategoryUUIDLevelMulti%253A310830080501+OR+additionalFamilyPaths%253A310830080501%252
9&SelectedFilterValues=%5B%5D&DisplaySequence=%5B%22AT_QuantityOfTradingUnit%22,%22AT_Containers%22,%22AT_TemperatureApplicationAreaMin%22,%22
AT_TemperatureApplicationAreaMax%22,%22AT_OilViscosityKinematic%22,%22AT_OilViscosityCondition%22,%22AT_TypeOfSprayHead%22,%22AT_SiliconFree%22,%22AT_
LifeTime%22,%22AT_AOXFree%22,%22AT_ResinFree%22%5D&CategoryRef=310830080501@WuerthGroup-Wuerth-3108
[Edited on 30/3/2021 by mcerd1]
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SPYDER
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| posted on 30/3/21 at 08:07 PM |
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quote:
Originally posted by John P
Before I retired I always had a ready supply of Ambersil penetrating oil in aerosol form which worked very well:
http://www.ambersil.com/ambersil/AMBproductdetail.csp?product=PENETRATING%20OIL%20(AMB)
I've also used a "Shock" release product which wasn't this actual one but very similar:
https://www.screwfix.com/p/arctic-products-crack-it-shock-release-spray-400ml/83415
John.
Our factory used to use Ambersil as well as all the rest of their product line. Amberkleen, Ambergrease, Amberthis, Amberthat etc
They all worked well.
My car restoring chum swears by Aerokroil. I've used it too. Unlike many others it does actually work. Not cheap though.
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coyoteboy
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| posted on 30/3/21 at 10:11 PM |
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Seafoam Deep Creep.
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cliftyhanger
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| posted on 31/3/21 at 07:08 AM |
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A couple of years ago, Plusgas sent Guy Martin a case of Plusgas with a view to him endorsing it.
It was returned a week or so later, and a phonecall with him revealed "it isn't any better than WD40"
In all honesty, I have tried a variety of rust penetrating oils over the years, and I am not convinced there is much difference. There are tests all
over Youtube, all getting different results. ANd some show that heat is king when it comes to difficult fasteners.
I have a couple of friends who run commercial garages. One v=bought an induction heater, raved about it so much the other has bought one. Not cheap,
but they reckon they are the dogs danglies, and the knuckle dragging staff have realised hoe easy it makes difficult jobs. Downside is they are not
cheap....
ATF mixed with acetone was always regarded as excellent. Me, I have a few cans of WD40 and plusgas around the garage....
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MikeR
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| posted on 31/3/21 at 09:59 AM |
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I've tried wd40 and plusgas. I use plusgas.
Would love to try heat, but don't trust myself to not burn things I shouldn't.
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coyoteboy
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| posted on 31/3/21 at 11:22 AM |
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The induction heater does seem to be the dogs danglies.
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joneh
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| posted on 31/3/21 at 12:18 PM |
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I just used the cheap stuff from Toolstation and my wacky wacky impact cordless drill.
Never been beaten and I owned a Jeep. (Got close once but a blast with the blow torch told it who's boss).
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