i am a new owner of 2005 silver and black gt. i bought it after reading this forum for six months. the info provided is very helpful in many ways. i have a question about the necessity of annual oil changes. i am not a mechanic, do not have a lift, and i am uncomfortable with my local ford dealer in northern michigan. my bmw m5 goes 15,000 miles without an oil change. a lot of ford gts are driven less than 1500 miles per year. i understand that changing the oil yearly is desirable and may be recreational for some, BUT is it necessary ? a trip to the gt guys is 250 miles away from my location in harbor springs.