The mfg wanted to offer a larger size. Good idea, more thrifty. The problem was that the bottle maker tried to make clear red ones. The plastic used was very brittle, so that the least bit of rough handling would cause the bottles to split - leaking the contents. Since the oil is thin - most would leak out quickly. WHY didn't they test them first??? Otherwise - great product!!
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I can tell a significant difference in fuel mileage, my Triton V10 tends to drink its fair share, but the mystery oil calms it down some. Plus all the benefits of clean and lubed injectors, and everything else that the gasoline makes contact with
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I've used Mystery Oil for many years as a penetrant on stubborn fasteners and a top oil in the gasoline of vintage cars to lubricate the upper valves with great success..
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Been using for 20 years and still works miracles when it comes to cleaning engine from the inside out
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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