I just want to know what yall think of marvel mystery oil. I just replaced a lifter that was causing a tick and still have a slight tick till pressure comes up. I have about 2k miles till my next oil change. Right now it has 10w-30 Syntec oil and a K&N filter. I have 5w-30 Syntec and another K&N filter for it when it needs changing. I want to put something in it now to clean out the other lifters in case they are just slightly gummy before the next oil change. I have heard a few on hear say good things about it and want to give it a try.