Disregard the comment about Redline additives, I thought they meant FUEL additives, not OIL additives.
So then where is the Si coming from? During this time period I've gotten a new turbo, that might be it. I kept the same airbox (stock one) as from the previous sample.
So then where is the Si coming from? During this time period I've gotten a new turbo, that might be it. I kept the same airbox (stock one) as from the previous sample.