Yea I had the right Idea but didn't write it that well. Put 500ml of the stuff landcruisers drink in the engine oil filler and idle for 15min before draining and will clean out better.

Silly question but are you sure it is a good idea putting diesel in the engine oil???

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Stoner & Webber 2011 World Champions

wouldnt a bit of synthetic oil left in your motor be better then running deisel with the oil?

Just get some $20 Mobil super XHP(reasonable mineral cheapo), drive it for a week then put your other stuff in, done.

Running the new oil and changing it a few times is the only way your going to get rid of old oil traces....if thats really a problem....which its not !