Pretend you lifted the body off the frame. Whatever remains on the ground is identical to Impala.
The rest of it is similar to a US model, Catalina, as well as a mixture of Impala and when you get to the interior, some unique Canadian Pontiac parts.
You are in the right place though, there's a number of 67 owners here to share there information with you.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)