I just changed my oil in my supercharger and i'm pretty sure it's never been changed and the car has 193,000 on it lol. I brought the old oil in the house to show my wife and all she could say was it stinks get it away. It looked like very thick very dark brown "substance". The sc oil i put in was clear lol.
btw summit racing rocks. I called the local gm dealership and it was $17 a bottle i got two bottles shipped to my door for $25. I ordered it last night at 8pm and received it today at 6pm that's what i call service lol