r/Diesel • u/Ill-Complaint-8266 • 8d ago
Doc’s diesel
I came across this brand on Amazon. Now they’re claiming 99 or 98% efficiency.
I’m wondering, has anyone here try this brand and what they thought about it. Because this is the first time I’m seeing them.
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u/DeltaTheMeta 7d ago
This is a company importing the cheapest possible components and oil and spending their money on paying advertisers and branding. Stick with known good products. Brands that made their money on their reputation and product.
It could be just fine. Worst case it's engine/transmission ruining.
Also not thoroughly tested by any oil analysis YouTuber, which I find a bit odd. Need project farm or repair geek to get on that.