Used 1977 Cadillac Ice Racer - 500hp for sale in Osceola, MN

1977 Cadillac Coupe DeVille D'Elegance
Automatic trans (metric)
RWD (redneck locked rear end - bolts welded into spiders)
472 CID engine bored and stroked to 516 CID full roller - over $6k in engine parts alone
Dyno sheets showing 480hp+ and 525 ft-lbs (torque monster)

Ice racer
Engine literally has 2 races on it
Suspension lowered
4 steel rims and crap tires (rollers for moving it around and sitting on during off-season)
4 steel rims and studders (brand new Yokohama Geolandars with 1,300 studs per tire)
6 steel rims and custom built sticky winter ice tires (not a winter tire but a custom spongy ice racing tire)
2,000 lbs+ sand in 75-lb bags for ballast
Full roll cage
Driver and passenger bucket race seats with 5-point harnesses
Wired rear tail lights that have functioning brake lights
Police "cherry" on top is fully functional (switch on dash)
Race tach with adjustable yellow shift light
Very heavily built armor in front, rear, and sides to prevent body damage from contact
Several of my friends helped me build this. I love it, but I want to build another smaller one so it's got to go
Would consider a muscle car as a partial trade if you have something buildable (no junk please)