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never heard of them, but it talks about particles of tin oxidising in the combustion chamber over valves and seats etc....Cant be good for any car with a cat.
Go to http://home.vicnet.net.au/~tccv/ and click on Unleaded Fuel, then at the end of that report click on Fuelstar report. Those reports are a few years old - don't know if it applies to current product.
Fuelstar rely on a report from a Dr J Sprott http://www.fuelstar.com/scientific.html to refute the Melb Uni test I linked above. Sprott might be a genius in this area for all I know, but his report appears to be purely based on his reading of other reports, not any testing of his own, which doesn't give it much scientific weight in my view, regardless of whatever his qualifications and expertise might be.
If Fuelstar were as sure of their product as they claim, and given the conflict with NZ AA and consumer protection people in my earlier link, you'd thing they'd have got an independent lab test by now.
A test was done in the UK some years ago on Tin based fuel additives using a Morris1100,head was taken off prior to test and was within specs and then it was run for 3000 miles in a normal driving situation, by the time the test was over it could barely idle, much less run above idle, head was removed and the exhaust valves had recessed in the head by 3 MM, if Tin based additives worked I think the oil companies would have used them a decade ago, hope this helps, regards Ford jeepman.
I was talking to Michael about it at OZCAP. He was saying that from what he knows they do make a difference. After reading the sheet on it though, I'm abit scepticle about anything that releases tiny pieces of alloy into the fuel flow!
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