Quote:
Originally Posted by bsabantam
For many months despite carbon cleaning, service including all filters the average fuel return was 29.5 mpg in my 75 diesel saloon automatic. Tried the performance diesel fuel in the last two tanks and noted the return with no change to driving conditions or driving style and wow now getting 37.5 first tank and second tank 37.8 , this has to be better for the engine and environment.
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Which is a 27% increase in mpg.
I'd be amazed if anyone could get a 1-2% improvement from a variation in fuel 'qualty'. Sorry, but something else has caused it.
TC