The C3 clutch pack in the Allison transmission is the most susceptible clutch to burning In trucks that are modified, as well as stock. To combat the heat in hard working trucks we re-route oil from the transmission cooler, and spray it directly in to the C3 clutch pack.
To work correctly, the transmission case should be drilled.
For 10AN Transmission Cooler lines
Stainless Braided Inner Wire Support
Black Nylon Braid Billet Aluminum Fittings & Adapters
