DD13 Gear Oil Results-First Oil Sample

[a113n]

(05-24-2018 )Rawze Wrote:  

(05-24-2018 )a113n Wrote:  Should I add gear oil before my first start, I'm overhauling the engine and if so what oil is recommended. I'm running lower 48. Thanks

I ran it from the start on mine after my inframe.

Should I use whole gallon or half a gallon of gear oil in first 200k-300k miles? Is it better to go with gl-4 or gl-5? I have cm871 inframing it with all oem parts from cummins