Not engine oil but I changed the diffs and tranny.
6 quarts Mobil 1 synthetic transmission fluid and Wix filters.
2 quarts of Mobil 1 synthetic 75w90 gear oil in each differential.
6 quarts Mobil 1 synthetic transmission fluid and Wix filters.
2 quarts of Mobil 1 synthetic 75w90 gear oil in each differential.