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-   -   ATI Trans Fluid (https://www.classracer.com/classforum/showthread.php?t=73434)

FSA1673 06-24-2019 10:49 AM

ATI Trans Fluid
 
Anyone ever switch between the Super F and the Max Duty Super F and see a difference in stall rpm or % slippage. Looking to tighten things up a bit on the converter.

Jeff Stout 06-24-2019 11:49 AM

Re: ATI Trans Fluid
 
I would also be interested making converter a little tighter. I think trans fluid comes in different viscosity and seeing if anyone has any experience in this. Thanks Jeff

nhramnl 06-24-2019 12:50 PM

Re: ATI Trans Fluid
 
Obviously, any info you gather here (from racers) will be helpful, but I would call ATI and ask them what they've heard from customer/users, and based on that, what they would expect you to see.

monte385 06-24-2019 07:53 PM

Re: ATI Trans Fluid
 
Try some Mobil 404 hydraulic oil.

Marty Rinehart Jr 06-25-2019 09:36 PM

Re: ATI Trans Fluid
 
It will tighten up the converter but not a set amount. Every combination will be a little different.

FSA1673 06-26-2019 07:05 AM

Re: ATI Trans Fluid
 
Thanks Marty that is exactly what I was looking for.

The kinematic viscosity of the Max Duty is similar to heavier hydraulic fluids such as John Deere Hy-Gard and Allison Transynd. Most regular trans fluids regardless of brand have similar kinematic viscosity. I imagine it depends on weight, rpm, and torque on what the converter will see.

Glenn Briglio 06-26-2019 11:26 AM

Re: ATI Trans Fluid
 
Quote:

Originally Posted by FSA1673 (Post 591327)
Thanks Marty that is exactly what I was looking for.

The kinematic viscosity of the Max Duty is similar to heavier hydraulic fluids such as John Deere Hy-Gard and Allison Transynd. Most regular trans fluids regardless of brand have similar kinematic viscosity. I imagine it depends on weight, rpm, and torque on what the converter will see.

Also what happens to different fluids at different temperatures.

FSA1673 06-26-2019 12:42 PM

Re: ATI Trans Fluid
 
Most manufactures post their kinematic viscosity at 40 and 100 degrees so that you can compare them.

Jim Kaekel 08-01-2019 09:24 AM

Re: ATI Trans Fluid
 
Torco also offers low and high viscosity ATF as well.

Ultimate Converter Concepts 08-02-2019 07:01 AM

Re: ATI Trans Fluid
 
If you do plan on trying the heavier oils, make sure you use a screen type filter, not fabric type


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