This is first time that I have used this product and I am genuinely amazed with it. It does exactly what it claims it does reduces smoke and noise while increasing the performance slightly. However I haven't noticed any significant change in mpg but that's no real disappointment as my vehicle is pretty good anyway. My 2ltr HDi has over 202,000 registered miles. I will now use this every time that I change the oil and filter. Money well spent !
Verified purchase: Yes | Condition: New
My old diesel was smoking quite bad,, added to warm engine and now there is a very big reduction in smoke and smell. So I’d say did it’s job. Car is still a bit smoky at high revs but it’s an old diesel.
Verified purchase: Yes | Condition: New
better oil pressure
Verified purchase: Yes | Condition: New
This has had some effect on the amount of smoke from my engine but, given that my mileage is more than 265K, it has a lot to do! I intend to run it for a few months and repeat the treatment.
Verified purchase: Yes | Condition: New
Good additive and does improve economy. This oil will assist but not totaly get rid of smoke if your engine is worn.
Verified purchase: Yes | Condition: New
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