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steven farris
Reviewed in the United States on July 6, 2024
Good product/ I just used 6-7 ounces combined with 6 oz seafoam in my engine that had 167k miles - did great
T. L. Prather
Reviewed in the United States on June 12, 2024
Does what I needed
Kevin Ray
Reviewed in the United States on December 9, 2024
The oil pressure sensor can get clogged in my GMC pickup. This product does a good job of cleaning up those deposits.
Wizbang72
Reviewed in the United States on May 1, 2023
I normally recommend against engine flushes, especially if you don't know the maintenance history. Often an the sludge in an old beater is all that is sealing it. Flushing it can leave you with a leaking, oil smoking mess. In this case, I did know the history on a '07 Saturn Ion 3 with the 2.2. consistent 5k oil change with full synthetic since new. Approx 100k on the clock. I dumped the existing, and replaced it with the cheapest filter and dinosaur oil I could find. The flush replaced the last quart. Note the existing has 3k on it, and was still translucent. I let it idle for about 20min, then dumped it. There was indeed some color in the oil - similar to the oil I dumped, so it did something. But it is hard to tell how much. 4 stars as it did indeed scrub something inside, but I just don't know how anyone could ever know how much or how complete of a job it did. This was more of an experiment - I still am not a fan in general, and likely won't do it again.....
1975re5
Reviewed in the United States on January 30, 2023
My vehicle has 173K miles on it and oil changes every 3000 miles town driving, full synthetic. The oil after using Berryman's didn't look any darker. So I believe the Engine was very clean to start with. What is just awful is People buying an expensive car and only changing the oil once a year. My good friend is a Toyota Mechanic and tells me of the many Toyota Engines that drink oil, all because their owner's follow the Toyota 10K mile OC intervals. Maybe driving all freeway one could get away with it. But most People drive lots of stop and go miles. He has lots of picture of the insides of the failed engines. If the Piston Rings get stuck with sludge and carbon. the rings can exert lots of pressure on the cylinder bores and permanently damage them. Oil is cheap, engines are not. He said to use caution if buying a Toyota product with around 100K miles as it may have only had 9 oil changes. Other manufacturers are also extending oil changes to 10K miles or more. Audi, VW, Toyota, Lexus to name a few.
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