Five Years, Five Oil Change Reports from Blackstone

[Jake Raby]

Originally Posted by Flavor 987S

Jake has said (Lake, at Gibbs, confirmed) that the Mobil package and the Gibbs package fight each other in the beginning, that's why Jake likes to recommend a flush with the BR40 before the DT40.

Exactly. Cross pollination will exist for at least 2 oil services if you do not carry out a changeover flush.