Which engine oil do you use?
#33
Senior Member
I switched to synthetic in my 5.2L Grand Cherokee. It cleaned the engine so well it clogged up the pick up screen.
I had to drop the oil pan to clean out all the sludge.
I had to drop the oil pan to clean out all the sludge.
#37
Originally Posted by 2008f1504x4
I used to use royal purple then I used Mobil and I won't ever go back to neither after reading bob is the oil guy oil analysis rotella or valvoline for me ...