Originally Posted by barry1me
my buddy had an 03 TJ and put Amsoil signature in it and he had a horrible valve train noise. He swapped out the oil with less then 500 miles on it and put in a standard valvoline and the noise went away. He only put the amsoil in to try it and the engine never had a noise before he put that oil in. Both oils were the same weight.
If you already knew it was crap oil why'd you start the thread?