I chatted to a Liberal friend of mine who is quite connected to the Toronto brass.
He maintains that Gordon and Rae clashed quite a bit, particularly in the last few weeks of the campaign. Gordon sought out high profile Grits like Trudeau, Dion, Mahovolich and Bennett for campaign events while Rae wanted the show to surround him. Initially, all the flyers and billboards had Rae as the centrepiece.
Alas, Gordon being the "marketing wiz" shifted the campaign towards himself, and much to the chagrin of Rae and his hand-picked campaign team, took over the marketing arm by putting out some fairly unconventional and twitter-ridiculed literature.