Sorry to bother you folks but I can't find the previous posts regarding an oil testing firm for the Allison Trans. As I understood the thread you send them $ they send a kit, you submit a sample, they...
I too have a Allison trans. and I wanted my trans fluid analysis-ed. I contacted Blackstone Lab @ (260) 744-2380. They sent me a sample kit, no charge, I collected my sample sent it back to them along w/$25.00 and they completed the analysis. Good company and timely results.