Colin, I don't have any experience researching Canadian vets. My family projects have only been in regard to American vets. I would think, however, that there would be some parallels. With that in mind I made a quick search of the Internet and found a couple of items that might be helpful, if you are not already aware of them.
First, it appears that the unit has a vet group. Here is contact info for them I found listed online:
433 'Porcupine' Squadron RCAF Association J F Descent, 161 Third Avenue, Arnprior, K7S 1Z1
In addition, perhaps you could find info at one of these sites that would be helpful: