Rick Mancuso was a Vette racer also part of the mid 70's John Greenwood GT and Sebring GT Corvette production effort and sold 'Mancuso Sebring' street cars from his dealership..
http://www.greenwoodcorvettes.com/StreetGT.html
Zone 11 Dealer 359 Status: Unknown
Dealer Name Mancuso Chev Inc.
Address: 4700 Golf Road
City: Skokie
State: IL
Zip: 60076
There was also a Mancuso Chevy dealership in NY...same family??
~ Pete