well been running amsoil for almost 15k and gona go back to regular oil and change it every 3k after talking to our honda guy. as far as he said that seeing numerous J series engines needing rebuilt after ppl ran synthetic oil. this guy does a lot of work building honda J series engines so he knows what he is talking about. i trust him so im gona go back to regular oil. so gona have to find good conventional oil.
unfortunately this kinda damage to cylinder walls cant be tested in UOA.
unfortunately this kinda damage to cylinder walls cant be tested in UOA.