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Full Version: Do these engine restore oil additives do anything?
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Cheddies
anyone have any experiance with stuff like... this:
Stuff off ebay :P

or have any recomendations for anything to add to oil in an older bike engine which may .. help it along?

i remember a post about somthing called slick 50 a while back.. any good?
Smokin Joe
Complete rubbish.

These types of products have been on the market for donkey's years and and I've never read an independant test that didn't refute all the claims made about them. If you do an internet search you will find some interesting results from the States, where a well known manufacturer of such products is being sued both for misleading advertising and the fact that the product is alleged to have caused engine damage.

A common trick is to drain the oil from the sump after adding one of these wonder products and then gleefully proclaiming the car/bike did 200 miles with no engine oil. Manufacturers who disputed the value of additives disproved their claims by showing that an engine with no oil will do exactly the same milage or even more without the additive.
Cheddies
LOL

heh, cheers.. thats what i figured, but... you know what it like.. they live off curiosity i guess
Wilf
A squirt of Redex through the plugholes does work but be prepared for clouds of white smoke for about 5 miles.
A squirt of Redex in the petrol at each fill up helps keep everything clear and it's cheap and available at garages, Halfords etc.
Benguin
QUOTE(Smokin Joe @ May 3 2005, 11:35 PM)
Complete rubbish.

These types of products have been on the market for donkey's years and and I've never read an independant test that didn't refute all the claims made about them. If you do an internet search you will find some interesting results from the States, where a well known manufacturer of such products is being sued both for misleading advertising and the fact that the product is alleged to have caused engine damage.

A common trick is to drain the oil from the sump after adding one of these wonder products and then gleefully proclaiming the car/bike did 200 miles with no engine oil. Manufacturers who disputed the value of additives disproved their claims by showing that an engine with no oil will do exactly the same milage or even more without the additive.
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I think you mean this one.

That's the false advertising, I suspect the engine damage side of it is a civil matter.

I seem to recall the ASA ruled as well.
BikerGran
Wasn't Slick50 but another one my mate used in his Guzzi California - think it was something like ZX10? (cept thats a bike!). He used it when he did a long trip with his mate on an identical bike. Both had been serviced for the trip by the same garage, and he found his acceleration better than his mate's, and also considerably improved fuel consumption.
Benguin
QUOTE(BikerGran @ May 4 2005, 06:32 PM)
Wasn't Slick50 but another one my mate used in his Guzzi California - think it was something like ZX10?  (cept thats a bike!).  He used it when he did a long trip with his mate on an identical bike.  Both had been serviced for the trip by the same garage, and he found his acceleration better than his mate's, and also considerably improved fuel consumption.
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The interesting thing is why the manufacturers have never managed to prove it.

Your friends' experience would be good evidence, but it would need a similar test to have been done beforehand and proof that the riders' styles and techniques were identical. I get better acceleration and fuel consumption than my old man when I drive his crappy van (to his constant disgust), simply because I understand how a gearbox works ....
BikerGran
I know what you're saying Benguin - it was quite a good test really, tho not proveable, cos they've been touring together before and never noticed such a difference. It was so noticeable that he wrote an article about it in our club newsletter!
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