Quote:
Originally Posted by armlock
Jeff, I hear that they are too restrictive. Call Jim at AMSOil and he'll give you more info.
I did my line swap and filter change this weekend. After 10 minutes, both bypass and Donaldson filters equally warm to the touch and the motor seems quieter.
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Jeff, Jim told me the same thing last summer about those filters being too restrictive. I just talked with Jim Friday. He says they are back ordered on the Donaldson but is trying to get me one. I have one of the 26 filters but don't really want to use it. I'm not sure when AMSOIL made the switch.
On another note I found some other info for everyone to think about. I took my vehicle into Ford, showed them the oil sample test and asked what they were going to do. Of course Ford did what they always do; NOTHING. I think they sniffed the oil and said there wasn't enough fuel in it to worry about, just the opposite of what the lab said which was I have an injector(s) going bad. I hate to dump oil with only 4K miles on it but I will trust the lab to be safe. I made a call to Jay Mento and he claims that we need to stick with Ford's recommendation about when to change the oil no matter what brand we use or they might void the warrantee. If I remember correctly that's every 7K on a diesel. I think testing is the key but Ford has screwed with me any time I had a problem and I’m not too sure I want to fight them on a major engine problem. So I think I’ll drain every 7K if that is what they require. I wonder about those who change their own oil? Can they turn you down if you have the lab check it every 5K miles? Has anybody put Ford to the test?
Dave