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John Deere Mower Fanatic
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I'm new to this forum and Just wanted to get your thoughts on quaker State Ultimate Durability.
 

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外人Geezer MTF Member
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I don't know CJ, but I've studied and researched a whole heap about motor oils, and I think any good modern oil will pass the test for durability. Having said that, I use either Mobile 1, Valvoline Full Synthetic, and will probably go with that new Pennzoil super duper whatchamacallit synthetic made from ----- gas. Right gais I tell ye. Natural gas, not gasoline. No matter, I just believe in full synthetic oil, even in me old lawn mowers, two cycle engines, everything that has an engine.
 

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I use Walmart synthetic - or anything else that is on sale. Short of a multi-year university study you (or I) will never really know which brand is "best". They all meet min standards - pick your favorite color jug and you will be happy.

JK
 

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I work on cars and trucks for a living. I have never seen an engine fail from the brand of the oil. As long as oil is up to the manufacturers specs it will protect your engine.
Always use the recommended viscosity. New vehicles are using oil to activate the valve timing and control cylinder deactivation. Some are using 0W-20 now. Using the wrong viscosity could affect the operation of your engine.
 

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I don't know CJ, but I've studied and researched a whole heap about motor oils, and I think any good modern oil will pass the test for durability. Having said that, I use either Mobile 1, Valvoline Full Synthetic, and will probably go with that new Pennzoil super duper whatchamacallit synthetic made from ----- gas. Right gais I tell ye. Natural gas, not gasoline. No matter, I just believe in full synthetic oil, even in me old lawn mowers, two cycle engines, everything that has an engine.
Did you know the oils you listed as "synthetic" are not real 100% synthetics?

Here in the states there's no regulatory board like in Europe, that makes oil companies bottle true synthetic oil if the label says so on it. Here it "might" be 1% syn and they call it "full" "synthetic" oil. And that could be pushing it too. Don't read the bottle and think you have a true 100% syn oil.

UNLESS you are looking at a real Group IV or V oil. Those are like Redline, Motul and a few others. These are real syn oils. The price tag reflects this simple evidence.

Amsoil and Mobil 1 "claim" they are synthetic oils. The base stock might be syn, rest crude oil who knows. Or the add pack "might be" synthetic and the base crude oil. These I call blends or semi synthetics. Both oils are 1/3 the price of real synthetic oils like Redline. Shows again they are not 100% synthetic. Dear we say polish a turd here?

Amsoil makes a good "product". Is it the holy grail of motor oil? NO. Mobile 1 the same, just a good product. Are there better oils out there, YES.

slomo
 
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