Tuner Question
#1
Tuner Question
Just picked up a 2005 Grand Ma, with a 4.6 , it is replacing my '99 Grand Ma 4.6.
first thing I noticed is my mileage dropped from 24 in the 99 to 20 in the 2005.
is there an inexpensive tuner I can buy to screw with the shift points and the speedo calibration if I run larger tires?
first thing I noticed is my mileage dropped from 24 in the 99 to 20 in the 2005.
is there an inexpensive tuner I can buy to screw with the shift points and the speedo calibration if I run larger tires?
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