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1933 8101A Water temperature sensor in head

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19 May 2020 05:03 #40199 by 1748 S
Replied by 1748 S on topic 1933 8101A Water temperature sensor in head
The best penetrate I have found in 50 years or turning wrenches is Aerokroil from Kano labs. If this wont free up a rusted thread apply heat to about no more than 200 degrees. Then cool with the Kroil. It can been seen to get sucked down into the threads and free up anything.Very good on manifold bolts. Run the engine till warmed up. Spray it when you shut it down for the night. Do this a couple of times. When rust forms on threaded surfaces it makes about 50,000 lbs of pressure on the incline threads making them tight. When rebar rusts in concrete it makes as much pressure causing concrete to stall or explode from the metal. That can be dangerous.
Another good homemade penetrate is acetone and auto trans fluid. Mix equal parts and apply it but.. Realize acetone is dangerous to your kidneys.


Gary Parsons

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  • Thom
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19 May 2020 23:10 #40201 by Thom
Gary, Thanks for the information. I have heard about acetone and auto trans fluid and use that as much as possible. I do believe it works.

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22 May 2020 13:41 #40231 by Curt Schulze
Replied by Curt Schulze on topic 1933 8101A Water temperature sensor in head
Yes, scientific research has been done. ATF & acetone is the best !!

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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22 May 2020 13:42 #40232 by Curt Schulze
Replied by Curt Schulze on topic 1933 8101A Water temperature sensor in head
Penetrating Oils

Machinist's Workshop Mag recently published some information on various penetrating oils that I found very interesting. Some of you might appreciate this. The magazine reports they tested penetrates for break out torque on rusted nuts.

They are below, as forwarded by an ex-student and professional machinist. They arranged a subjective test of all the popular penetrates with the control being the torque required to remove the nut from a "scientifically rusted" environment.


Penetrating oil Average load
None 516 pounds
WD-40 238 pounds
PB Blaster 214 pounds
Liquid Wrench 127 pounds
Kano Kroil 106 pounds
ATF-Acetone mix 53 pounds


The ATF-Acetone mix was a "home brew" mix of 50 - 50 automatic transmission fluid and acetone. Note the "home brew" was better than any commercial product in this one particular test.

Our local machinist group mixed up a batch and we all now use it with equally good results.

Note also that "Liquid Wrench" is almost as good as "Kroil" for about 20% of the price.

Steve from Godwin-Singer says that ATF-Acetone mix is the best and you can also use ATF- lacquer thinner 50 - 50 mix.

ATF=Automatic Transmission Fluid

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt
The following user(s) said Thank You: 1748 S, Thom

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23 May 2020 03:59 #40238 by mikespeed35
Replied by mikespeed35 on topic 1933 8101A Water temperature sensor in head
Acetone evaporates quickly. Seems like all you would have is ATF unless it was used very quickly?
CORDiallyMike

Mike Huffman

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23 May 2020 14:50 #40240 by yorkgulch
Replied by yorkgulch on topic 1933 8101A Water temperature sensor in head
For soaking parts in atf/acetone to get them apart ipossible I put the parts in a bucket with sealable top or PVC tube with end caps. Every couple of days I shake it to keep the acetone mixed. Keeping the mix cold seems to slow the acetone loose but slows the process (non scientific observations). A car size tub of the mix would be handy!

Auburn 851

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