86 f350 6.9 IDI
Out- Traveller 15w40, FL1995A
IN- Castrol GTX Diesel 15w40 and 5 ounces of Redline engine break in additive (zddp), FL1995A
3K intervals
90 W250 5.9 12V
Out-Valvoline Premium Blue 15w40. Fleetguard LF9028
In - Mobil Delvac 15w40 Extreme, Donaldson DBL7349
5k intervals