If I remember correctly, Unipart additives are also made in South Africa & come in a similar if not identical bottle to Forte products, Wurth a look?
What benefit does having a larger percentage of lubricant in a flush achieve?
If you're already adding it to a lubricant to thin it out & dissolve the residues of carbon off internal components, what benefit does this extra lubricity achieve?
I haven't seen a conclusive argument presented yet to state these products are beneficial to the running of an engine.
As previously stated, most manufaturers do not approve of this type of product.
How can the independent sector approve this type of product against the wishes of the vehicle manufacturer based purely on the opinion of a salesman?
Are we selling these products without any proper evidence of benefit other than a none scientific sheet of imaginative fixes put down to these products by independent workshops.
Placebo effect?
I've seen first hand experience of the Forte engine flush washing the substantial build up of sludge from the inside of the VAG 1.8 Turbo engine & blocking the oil pickup.
Based on the evidence that the oil flush does indeed loosen crud off the engine, the next question would be -: Is it better to leave the baked on sludge where it is or apply a detergent (with high lubricity - why?) which washes the years of detritus into the sump to create a problem where there wasn't one before.
We do stock Forte products & sold umpteen bottles of their Diesel fuel additive to the owner of a 1.9 PD with sticking turbo vanes who was convinced it worked, but every time it arrived for a service it needed a good dose of working to free the mechanism from the carbon that had built up again.
Even though it had a bottle of snake oil(Fuel Additive) applied to the tank every 1K.
Is it possible for someone to provide independnt documented evidence that an oil flush benefits an engine, or that a fuel additive added to gallons of fuel & burnt in the combustion process (or if not burnt what effect does it have on catalysts & DPF's, NOx & O2 sensors Ad blue SCR injection etc?) actually does anything beneficial at all to the running of an engine or it's engine management.
These additive debates usually end up with examples of, "I put one in & it fixed this fault"
If there is solid scientific evidence of a additive product working, where is this evidence & could we all see the proof to make an informed decision, before one of us falls foul of a rejected warranty claim after a manufacturer spots "fuel / engine additive on a service receipt.
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