Route engine air box hose to blind corner of oil cooler instead of heater
shroud to increase air flow to oil cooler for lower oil temperatures. This
modification will lower oil temperature 12 to 15 degrees.
Add elbow below oil cooler and route hose to heater shroud to improve heater
efficiency.
Fig 1. Oil cooler<--- FWD Looking down on oil cooler mount. (no cooler installed yet)Fig 2. Elbow weldment (ref. drawing) below oil cooler for heater shroud inlet hose.Fig 3. White arrow points to oil
cooler hose installed in blind corner of cooler.