nevada Posted February 12, 2011 Report Share Posted February 12, 2011 I have never used this weight of oil before. i was looking at reviews online and it seems that using 10w40 can cause sludge build up in an engine. is this true? if so why make it? thanks! Quote Link to comment
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.