being an import person myself and knowing the eclipse, it's got a 2.0 I4 non-turbo, you'd beat it by 1-3 car lengths no problem, but if its got the 2.4, i'd be close but your beat him standing start (dont remeber how slow the 150hp v6 mustang is)and no way top end or street start, espeically if it's a 3rd gen, 3rd gen eclipse's have mad top end, both I4 and v6. also keep in mind you can not determine the outcome of a race by horsepower alone, weight and gearing play a major factor. but if you really want to find out, just goto a track or a side street <IMG src=smileys/smiley2.gif border="0"></P>
and not to start an import vs domestic debate, i am pro-ford, but credit is due when you got a car with a 1.8lt 4Cyl, run and beat v-8s and get twice the gas mileage while doing it no matter what it sounds or looks like <IMG src=smileys/smiley14.gif border="0"></P>