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  1. Pops Dually

    Allison 6 spd shifts into gear and drops back out.

    Did a quick haul for my sister and bro in law, they moved from Phoenix to Tulsa (1100 miles). Pulling a 20” car trailer loaded heavy, tool boxes etc. We drove hard, 85-90 mph running the top of the yellow on EGT’s almost the whole way. I had problems shifting in the morning cold that I...