Just wondering if anyone does and how it has affected your mpg?
As an experiment in October to see if it improved efficiency as Tesco claim (and any other positive side effects), I decided to do 1000 miles on it, so 4 tanks.
I am coming up to 900 miles and so far, my mpg has dropped from ~27 down to ~22. That roughly equates to 330 miles a tank before to 270 miles to a 54L (12.1 gallons) tank now.
Typically, in a week, I do a 6m urban commute 5 days a week and 75m motorway journey a week cruising at 4.5k revs. Other journeys vary, but I'd say the split between urban and motorway driving is 50/50. Tyres pressures checked every 2 or 3 weeks. 30mpg is the average for the Celica T Sport on mixed use so my short journeys, fast motorway driving and odd uses of lift probably makes 27 about right.
The only thing that's been done differently since the start is my MOT in mid November which my dad took it for and they put a petrol cleaner in (and charged him extortionately for)to clean up the emissions or something.
As an experiment in October to see if it improved efficiency as Tesco claim (and any other positive side effects), I decided to do 1000 miles on it, so 4 tanks.
I am coming up to 900 miles and so far, my mpg has dropped from ~27 down to ~22. That roughly equates to 330 miles a tank before to 270 miles to a 54L (12.1 gallons) tank now.
Typically, in a week, I do a 6m urban commute 5 days a week and 75m motorway journey a week cruising at 4.5k revs. Other journeys vary, but I'd say the split between urban and motorway driving is 50/50. Tyres pressures checked every 2 or 3 weeks. 30mpg is the average for the Celica T Sport on mixed use so my short journeys, fast motorway driving and odd uses of lift probably makes 27 about right.
The only thing that's been done differently since the start is my MOT in mid November which my dad took it for and they put a petrol cleaner in (and charged him extortionately for)to clean up the emissions or something.
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