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KEEP YOUR FUEL INJECTORS CLEAN, EVERY TIME I FILL UP I USE FUEL INJECTOR CLEANER AND GAS TREATMENT, CHANGE OIL EVERY 3,000 TO 10,000.
MY 2000 SLT DURANGO 4.7 V8 GETS 15 CITY
26 HIGHWAY
REPLACE/MANUALLY CLEAN FUEL INFECTORS AS NEEDED
im usually around 17-19 at 55 mph then drops to about 16-17 at around 70. city, not too sure prolly around 14-15 or so, i dont rev past 2k in the city.
I know I lost 1-2 mpg's with the big *** tires I'm sporting........might go back too oem, .......then again, they are tremendous offroad, and in the snow.......