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The following is a explanation of deep Cryogenics and how it is 
used on an engine, and its components as well as other 
automotive related parts..

If you look at the machined parts of an engine they appear very 
smooth to the naked eye and to the touch.  But if you were to 
look at them through a high powered microscope you could 
see that they are not smooth at all.  If you can envision your 
hand with your fingers spread apart, that is much like the 
machine areas before the Cryogenic treatment is performed.  

During the Cryo treatment the grain structure closes much like

taking your other hand and squeezing your fingers together,
thus making a better bearing surface with less drag and friction
and therefore improved performance. 
Normally you will experience

 a slight increase in Rockwell of a point or two, not much of a change

, but still improvement in the right direction.  The big improvement is

 stress relief and stabilization.  Engine parts, transmission parts , or

 any non 

cryogenic treated parts you are thinking about are full of stress 
and just waiting to distort when it reaches racing temperatures.
All machined parts can distort if they have not been stress 
relieved.  Pistons can change from round to oval due to stress 
and temperature.  When this happens the piston drags the 
cylinder wall which takes horsepower away, creates heat, 
and wears the cylinder walls.  It then requires the engine builder 
to rebore the cylinders by 2 to 3 thousandths.  Cylinders that 
have been Cryogenic treated will normally be out of round only 
a 1/4 to a 1/2 of a thousandths, a big decrease in wear from 
a non treated cylinder.

The end result of Cryogenics treatment  of your engine is 
improved performance with far less wear and less breakage.  
What parts should be Cryo treated?   

All parts that wear, break, or distort.  Sheet metal, electrical parts,
 water pumps, oil pumps, or fuel pumps should not be treated.

BRAKE ROTORS & DRUMS:  Cryogenic treatment closes 
the grain structure of the rotors and drums resulting in an 
increased contact area for the pad to touch against and also 
reduces the abrasiveness of the rotor against the pad 
therefore increasing pad, rotor and drum  life.


The Indianapolis Fire Department implemented the use of Cryogenics in the treatment of the brake rotors and drums on their fire trucks in 2002, and continues to treat their brake components to date. As a result the maintenance divisions found the brakes were lasting two to three times longer than normal. This improvement equated to thousands of dollars saved in brake repairs annually.On average the brakes were being replaced on some trucks at least once if not twice per year. The cryogenically treated brakes ext
ended those repairs to once every two years and in some cases longer. With a fleet of over 70 fire trucks the savings realized is in the $200,000 plus range per year on brakes alone. To date IFD has not experienced any brake failures due to cryogenics. 
The implementation of the use of Cryogenics is a " NO BRAINER " , THE RESULTS ARE TRULY AMAZING. If you  have a fleet of vehicles, a machine shop, or the need to increase the longevity of your equipment and save thousands of dollars, this is your answer!

Dudley Taylor, Battalion Chief, Indianapolis Fire Department


"I knew that some in the racing industry were using cryogenically treated parts to dramatically reduce wear.  After I started working at Don Schumacher Racing, I brought in Circle City Cryogenics to help increase the durability of the different metals we use.  The results have been phenomenal!  They have helped keep our parts from breaking and giving us a performance edge with their leading technology, especially in critical areas.  Once businesses learn about Cryogenics, they will see just how much they can save on equipment cost and improving productivity."

Jeff Grey, Don Schumacher Racing 


"I didn't know anything about cryogenics.  But when  Brian offered to do a test run at no charge, I couldn't say no to FREE.  We now use their process on any metal part or gear we can.  The results have been amazing."

Ernie Gomez, Acetylene Plant Manager, Indiana Oxygen Co