[srv1]

like old guy said, Foxbody's are a magnet to accidents, so look to see if yours has been.
all the VIN tags that i can remember are on the fenders, both bumper covers, hatch area or trunk. they should all match the vin, if not, somebody replaced a part. look at the floor boards under the driver and passenger seat. if they are wrinkled a little bit, the car has been hit hard. look at the body lines. all the gaps should be relatively equal on both sides, they are not going to be exact, but they shouldnt be too close or too far apart from each other(check to see if the door is coming close to the fender, that is a sign). open the gas door. does the paint match? look at all the trim around the car, does it have any paint? look under the front and rear, do you see any overspray? look at the radiator core support to see if it is misaligned or look liked someone try to hammer it out.
old guy is right. the car should shift without any problems, if so, look into that. make sure you can drive the car or bring it to a mechanic if you arent one yourself. the best thing to do is to pay a garage a couple of buck to check it out and to put it on the lift!! if you are really serious about it. if the owner wont let you drive it or put it on a lift, then most likely walk away. sometimes you cant if it is a personal owner whom you are buying it from, unless you know someone with dealer plates.
ask why they are selling it. i mean, we all love Stangs, right?
last but not least, DON'T BE IN A HURRY TO BUY THE FIRST STANG YOU SEE! IF IT IS TOO GOOD TO BE TRUE, MOST LIKELY IS!!
good luck, SRV1