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A2 transmissions have both a heat exchanger and an air to air cooler. It would be any anyone who is towing with an A2s best interest to get the heat away from the exchanger and engine in the summer months and run the strict air to air or even a bigger air to air. Heat is the killer. It may run...

It is just a fancy name for Dextron and Allison now swears by it to "handle their warranty" yet years ago they swore by Dextron. It isn't worth the money honestly. It will run on any fluid. The military uses 10w and 1540 for logistical purposes. The military even says you can put water in it in...

Like i said. Its personal preference. I ran dextron and i had ok luck. I do work a 5 ton harder and put more miles than everyone on here. That led to my allisons going out more than anything. Csmdavis will tell you KISS. Keep it simple stupid. If its operating fine leave it alone. Sent from...

I had dextron. Only because i had taken the trans apart before i installed it. I had a large cooler made to my radiator in a swap i did. I dont have a Allison anymore. But i noticed that temp drop on that. A2 trucks have an air to air cooler and heat exchanger if that tells you anything...

There are alot of threads on this but its mostly personal preference. If its not broke, leave it alone. You can run dextron. The con is that you have to get a bigger cooler to keep the temp down. The heat exchanger especially in the summer is not good for the transmission. Since your engine...