Originally Posted by csandste
Originally Posted by LeakySeals
Just before an oil change
Not the question asked, but one that I'd like to see some answers to. I generally do the same thing, although not necessarily the last tank. Whether it makes a difference in a normal engine, I have no idea-- although I have GDI. So why would a few ounces of Techron in the oil be bad?
I just added a bottle of Redline Sl-1 at fill up, and then saw this thread. With 7000 kms left to go on the current oil change, I'm wondering about this as well.