Possible WSP or OSP. Looks like it needs some work, but CHEAP:
http://portland.craigslist.org/wsc/cto/823146429.html
Copy from Ad:
1988 Ford Mustang "Police Interceptor" - $1600 (Beaverton)
'88 Mustang Police Interceptor 5.0L. 5-speed, PS/PB/AC. Runs good, leaks no oil, uses no oil. VERY FAST! Needs restoration.
$1600.00
Call Ken at (503) 320-2931.