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Old 17 Nov 2011, 12:01 pm
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Default Whats Better Mobile One synthetic oil or Asmoil for My honda accord 2006 4 cylinder.?

Some individuals tell me that Amsoil is the best of the best and they have a warranty to back it up.

160 000 miles on a car is not much buddy, I have seen some Honda's Toyota's with well over 300 000 Kms

160 000 miles on a car is not much buddy, I have seen some Honda's Toyota's with well over 300 000 Kms
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Old 17 Nov 2011, 12:16 pm
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Synthetic is synthetic. Honestly if I were you of run conventional oil unless you like to take more time between changes, then id use synthetic. You have to remember, there are hundreds of different brands of oil and they are all trying to compete for your money so each will try to one up another when in reality they are all pretty similar.
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Old 17 Nov 2011, 12:31 pm
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Amsoil hands down.

but keep in mind that if you change oil when it is supposed to you should be ok.

I have a friend with a second hands Ram 1500 and over 160K miles every 3K miles he changes the oil and it comes out fairly clean.

did I mentioned that the engine is over 160,000 miles? just wanted to be sure.
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Old 17 Nov 2011, 12:46 pm
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Go with Mobil 1. Amsoil has too much phosphate to be approved for your 2006 Honda (the API SM spec came out in 2004). The first source has a reprint of Amsoil's explanation of why they have unrated products, dating back to the SJ spec and just before SL came out, and their claim is "it costs too much to get the product certified." Would you really buy a product that the manufacturer was too cheap to get certified for such an important matter? Then they admit "Full API licensing would impose strict phosphorous limitations on our motor oils. This limitation is the main reason most AMSOIL motor oils are not API licensed." Yes, our mashed potatoes contain more arsenic than is allowed but arsenic is good for your complexion (apparently true, by the way).

Some googling will turn up complaints that Amsoil does not do well honoring their warranty, but all products have complaints from people who feel they should not have had to pay for some particular repair. The problem is that oil with too much phosphorus is fine for the engine - that is why it is there - but is slow death for the catalytic converter and Amsoil is not likely to honor a claim for a catalytic converter that needed to be replaced earlier than normal. They would certainly say it was not their fault and you would be hard pressed to prove it was.

API ratings are not just technicalities. There are actually some oils on shelves that are still just API SA rated (none of the ones you are looking at, of course) and although they are actual motor oils they are real engine killers. See the second source. Use what Honda specifies and you will get great life from your Civic.

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Old 17 Nov 2011, 01:01 pm
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First, there's a reason Amsoil is called SCAMSoil. No oil company would suggest you wait 30,000 miles between oil changes without being a scam. Also, Amsoil is a pyramid scheme, so of course people who sell it aren't going to tell you that anything else is better, because it could take money out of their pocket. Think about it like this. The best TVs, stereo systems, cameras, etc. you can walk into a store and buy. If Scamsoil really was the best, why aren't major national chain stores like O'Reilly's, Napa, Autozone, etc. buying up the stuff in mass quantities? They sell Red Line, Mobil 1, Royal Purple, etc., but not Amsoil. And 160,000 KM on a Toyota/Honda is quite a lot actually, verging on self destruction if you haven't put about $1000 in repairs into it to change the water pump, oil pump and timing belt.


One more thing.

If you've used conventional oil the whole life of the car, then switching to a synthetic with 160,000km is asking for trouble. Synthetic has detergents which can clean out sludge deposits. Sounds good, until it cleans out deposits in valve stem seals and other places where it was acting as a "stop leak". Clear that sludge out, and suddenly the engine could start leaking or burning oil, when it didn't before.
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Old 17 Nov 2011, 01:17 pm
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Old 17 Nov 2011, 01:31 pm
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AMSOil is a rip off. Pretty much any synthetic is going to be better than good old dino juice. Out of the two, I'd go into WalMart and buy a jug of Mobile 1 synthetic and a good filter like Wix or purolator pure one. Check amazon for oil filters, you can get some at a really good price.
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