sf41 with different color engines. unpainted, grayish and silver :)
http://img253.imageshack.us/img253/7762/fordgt41sfengineft8.jpg
close ups of unpainted and silver
http://img253.imageshack.us/img253/3773/fordgt41sfengine1qh3.jpg
http://img182.imageshack.us/img182/6563/fordgt41sfengine2eb5.jpg