Originally Posted by armed4
im using regular pennzoil oil, and i have been wanting to switch to synthetic oil, but i have heard that you first need to use Synthetic Blend oil and then change to Synthetic. is this true cause if its not than the people in advanced auto parts dont know ****.
The people at Advance Auto Parts don't know ****! Today's synthetic oils are fully compatible with any conventional motor oil. If you want to switch, then just use synthetic the next time you change your oil.