Open up the hood and look at the drivers side of the car where the fender bolts to the engine compartment. Somewhere around that area the VIN in stamped on my '67, I don't know if it is the same on a '70.
--------
Evan
67-5.0L
http://eyrules.com/mustang.html
--------
Evan
67-5.0L
http://eyrules.com/mustang.html