- 7,409
- 2,501
- 113
- Location
- Interlachen Fl.
Found this. Also Connecticut starts with a C and so does cold. So myself yes you could add 10 or 15/40 if you were topping off.
https://www.steelsoldiers.com/showthread.php?77746-Allison-Transmission-Fluid-Research
https://www.steelsoldiers.com/showthread.php?77746-Allison-Transmission-Fluid-Research
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