dont know a ton on this truck got for kid she decided to take my chevy, and I need a good gas mileage car more then this, I had new hubs, bearings ball joints and a new cv axle put in, had new intake gasket. has a small vibration after 40 think it needs balanced . check engine light is on and I replaced part just a sensor and it came on for same thing, still runs great no issues. have the 4.0 and is strong. looking to sale for or trade thanks