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Switch,
Stu what are the costs involved in getting a good fuel return from the greys and how much cost wise, ish,
varies depending on what Ecu and car you have as it needs lambda input to teh ecu and level 8. Prob easier and faster to discuss by phone.
my own cossie is running stus lambda control software and is returning me around 25mpg round town
its also running 35psi
peak and 28held
the lanbda software is deffo worth the extra imho
