1998 saw a full-time drive in the Gibson Motor Sport team along with Wynns backed team mate Darren Pate, and Ellery also as team mate in a Holden Young Lions liviered Commodore.
While a full-time V8 Supercar drive did not return, Hossack was a valued endurance co-driver for the next several seasons, driving for Romano Racing in 1999 and returning to Gibson Motor Sport in 2000 with a highlight of ninth position for GMS with David 'Truckie' Parsons at Bathurst in 2000.