The Fuel ecconomy has improved but by how much i dont know Bill, m Herishi he can give you the detail, the car is putting 300hp with more torque than any of the n/a 5ltr v8's.Will the Mapping effect the fuel efficiency by much?
Cheers'
Bill.
It really is a nice car he uses it daily to commute 50mile round trip so the car has to be reliable which it has been, Its also had a autobox fluid change too just before the map if i remember correctly. Body work wise its also very clean. Deffo worth giving him a Pm