Originally Posted by synolimit

This is old but was looking to do this for boiling issues I didn't see talked about. Mixing the fluid and not doing a full flush will bring down redlines boiling point if the stuff in there is still OEM. Not sure what the OEM boiling point is but I just wanted to bring that to light. Ill be disconnecting the bottom hose with it in a bucket, turning the wheel, and getting it all out while filling it back up if no one objects.