Don't forget about another snag in the CARs regarding a Captain's upgrade. Any time you have as a co-pilot/First Officer counts as half towards an upgraded licence. So if you have 1000 hours SIC in a 2 crew multi, that's really just 500 hours in the eyes of TC.
421.10 Crediting of Flight Time Acquired by a Co-pilot
The holder of a pilot licence may be credited not more than 50% of co-pilot flight time towards the total flight time required for the issuance of a higher class of pilot licence.
Not assuming you don't have enough PIC time, but this little jem screws a lot of guys.