<font color="red">It would be up to you to prove that the oil used did not cause the problem. Or is Amsoil going to send one of their lawyers to help you ?
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You're exactly right Ben. Way back with the 6.9l engines when people first started putting turbos on them Banks said no way can the mfg. void your warranty because of Mag. Moss Act. Well the initial ones people had problems. Ford denied warranty. Banks sent their form letter. Alot of guys got together and tryed to do a class action suit. They never even made it to court with it. Well now every mfg. hides behind that. The problem is when a warranty issue comes up all that any of these mfg, amsoil included, does is send a form letter. They don't send a letter, they don't go to court for you or anything else. It's up to you to get a lawyer and fight it. Nobody, not even the government is going to help you. Doesn't matter if it's better for your truck or not.
In the past most dealers got to make the calls themselves on warranty. Now most anything over $500 has to have prior approval. That means that there is going to be a regional mgr. involved. I've been through myself, I've had friends go through it, and like I said there are numerous cases on the internet. Am I going to post 200 pages of the case I went through here? No not likely. Nor do I think Muhammad would appreciate that. And I really don't care if anyone believes me or not. I'm just trying to put my experiences out there and what I've been involved with. It's not fun to do go through it, it costs alot of money to get a lawyer involved, and your expensive tractor or vehicle sits while it's straightened out or you pay out of pocket to have it fixed and then risk not having the evidence if you go to trial. My personal experience is don't count on oil company or aftermarket guarantees and don't count on Mag. Moss Act. Play it by the book exactly what the mfg. recommends and you won't have an issue. If you want to roll the dice and possibly have the warranty denied that's your choice too.