6 is used in the newer gp's and i think it's synthetic. I use 3 cuz it's cheap and so am i.
3 IT IS!
Originally Posted by SJAndrew
If you;re dropping your pan, I highly recommend installing a drain plug. It's at any auto parts store for about $5.
How do I install it? Do I have to drill the pan?
Anyway, looks like I'll be doing this tomorrow night. Assuming all goes well, what is the safest way to test to see if it fixed the problem? just drive?