Honda GCV 160 on a Troybuilt lawnmower.
Out: Drip oil + Mobil TDT 5W-40
In: 9oz of Drip oil + 4 oz of Mobil TDT 5W-40
Drip oil was a mix of Valvoline Restore and Protect 5W-20, HPL Engine Cleaner 30, Pennzoil Platinum 0W-20, Pennzoil Platinum 5W-30, Castrol ActEvo 4T 10W-30 and Mobil 1 Racing...