Sorry guys but we do not monitor ths board for messages. On an Allison trans the most common problem when oil is coming out of the fill tube or breather, the level is too low and the oil starts to foam. This pushes it out.
Idling in neutral - pressure should read abut 175 psi.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.