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Redex Petrol/Diesel Fuel System Cleaner 250ml £1 @ Tesco (Hammersmith)
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Redex Petrol/Diesel Fuel System Cleaner 250ml £1 @ Tesco (Hammersmith)

23
Posted 5th JunAvailable: National

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Redex Fuel Additives
For a better driveUsing Redex is a simple part of a car maintenance routine which can keep your injectors working better and extend the life of your car. It’s driving’s one of the best kept secret – pour a shot of Redex Petrol System Cleaner into the tank regularly to keep your car driving further.

Use regularly to keep your car healthy
Use Redex regularly when you fill up your tank to keep your fuel system clean and working as it should.

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23 Comments
Don't drink it all at once.
Redex is almost all paraffin (called kerosene in America). Does anyone know whether diluting a little bottle of this in 50L of petrol has an effect?

Is it better to wait until the petrol tank is down to the last quarter and then add this to increase the strength (and any cleaning effects) ?
Edited by: "Superman_turbo_pro_3000" 5th Jun
Thought this stuff might be a little bit like snake oil, would normally get a cat warning light after a motorway journey, after using this stuff, I had no issues.
just buy this at tesco and fuel with their budget petrol - works out cheaper than buying their premium petrol. voted hot.
colombo05/06/2020 10:40

just buy this at tesco and fuel with their budget petrol - works out …just buy this at tesco and fuel with their budget petrol - works out cheaper than buying their premium petrol. voted hot.


It's a fuel system cleaner not an additive.
Not in my local bradford store.
Haven't used this in a while but used to fire some in when i was going on a long drive as the car was mainly used for short commutes.... Does it do any good? All i can say is it never did any harm, my cars always seemed to run well enough, never had any issues with the fuel system, plugs were always clean when inspected... Worth a punt if doing regular short commutes imo.
Superman_turbo_pro_300005/06/2020 10:16

Redex is almost all paraffin (called kerosene in America). Does anyone …Redex is almost all paraffin (called kerosene in America). Does anyone know whether diluting a little bottle of this in 50L of petrol has an effect? Is it better to wait until the petrol tank is down to the last quarter and then add this to increase the strength (and any cleaning effects) ?


I used to put in the quantity required for a full tank when around a quarter full at the filling station then put £20 petrol in, never did any harm....i liked to do it when I was going out for the day and doing a good long run.
been using this now for quite a few years, and have been putting a full bottle in every 3-4 months in an empty tank before a full fill (about 70liters) is a great way to keep the injectors clean and hold off the need for a carbon clean
uwingnutu05/06/2020 12:39

been using this now for quite a few years, and have been putting a full …been using this now for quite a few years, and have been putting a full bottle in every 3-4 months in an empty tank before a full fill (about 70liters) is a great way to keep the injectors clean and hold off the need for a carbon clean



In 28 years of driving including high performance cars I have never once used nor needed this and as for "Carbon Cleaning" the word from qualified experienced mechanics that I have spoken to is that it is merely snake oil.
Raptorman05/06/2020 13:29

In 28 years of driving including high performance cars I have never once …In 28 years of driving including high performance cars I have never once used nor needed this and as for "Carbon Cleaning" the word from qualified experienced mechanics that I have spoken to is that it is merely snake oil.


There are no snakes in Ireland
Raptorman05/06/2020 13:29

In 28 years of driving including high performance cars I have never once …In 28 years of driving including high performance cars I have never once used nor needed this and as for "Carbon Cleaning" the word from qualified experienced mechanics that I have spoken to is that it is merely snake oil.


It does say on the bottle ' No snakes were harmed in the production of this product' though, so i'm confused.
is this national? has anyone checked elsewhere
Could you mix this 50/50 with petrol and pour/squirt with a syringe 20ml into each cylinder to clean up the rings?
I sprinkled some of this around the garden so elephants wouldn't trample on the plants - worked perfectly!
Snake oi.......damn I was beaten to it....
Before (green) and after (red) on a dyno test after running it in the car for a week...make your own minds up, they've managed to sell it for long enough 40987807-c65GI.jpg
BattleBeast105/06/2020 16:56

Before (green) and after (red) on a dyno test after running it in the car …Before (green) and after (red) on a dyno test after running it in the car for a week...make your own minds up, they've managed to sell it for long enough [Image] [Video]


Ahh, good to see the 5th Gear video getting an airing again. There are so many variables involved in running a car and dyno tests, without control groups they don't even begin to start to provide any kind of proof. I am afraid that selling something for a long time doesn't mean it works. Homeopathy, anyone?
BattleBeast105/06/2020 16:56

Before (green) and after (red) on a dyno test after running it in the car …Before (green) and after (red) on a dyno test after running it in the car for a week...make your own minds up, they've managed to sell it for long enough [Image] [Video]



That's a relatively small % difference in power and could just as likely be caused by other factors like, air temp, air humidity, electrical load, oil temperature, transmission fluid temperature etc etc. It's meaningless, but I've also seen some hydrogen electrolysis conversion kits on you tube that you could try out. They definitely work.
SFconvert05/06/2020 22:10

That's a relatively small % difference in power and could just as likely …That's a relatively small % difference in power and could just as likely be caused by other factors like, air temp, air humidity, electrical load, oil temperature, transmission fluid temperature etc etc. It's meaningless, but I've also seen some hydrogen electrolysis conversion kits on you tube that you could try out. They definitely work.


That good list can be carried on and on too. The way the car is strapped down, tyre pressures, fuel quality, how the car has been driven for the last X miles, the dynometer itself etc..etc.. The list is almost endless.

The only way to even begin to test properly is to take some engines and run them on a controlled test rig.

Expensive to do, but of course, this is Redex's core business so I am sure they have done all of this and shared the inspection imagery as well to prove that their stuff works as claimed. I mean, why would you not? If it worked....
Edited by: "KingBurger" 6th Jun
"Use Every Tank" is the ONLY instruction on the Petrol Bottle per Half-Bottle!
So l think its so Vague, if they mean a Full-Tank, why don't they just say that?(since 1922!)
Currently, l'm using a Quarter Bottle for every £10 top-up! started today, No Detectable improvement as yet.
How many people 'Fill their Tanks' these days(except Motorway users) .. its very expensive to do so, with Extortionate UK prices!
l think its probably a Good Additive! .. the "Snake Oil" thing is a bit worrying though!
Edited by: "soprano58" 1st Jul
According to the Manufacturers site, you Can't 'Overdose' the Application with it(Won't cause any harm!)
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