Preparing an Imported 1964 US Valiant Racer to be a Street Legal Car in Canada

John- love the car. I'm partial to 64/65 Valiants.
What are your driving goals for the car? Street only, street-strip?
Here's some ideas for you;
Oil filter- remote oil filter so you don't have to bend yourself into uncomfortable Yoga positions to change the oil.
Exhaust- consider changing the headers to full under chassis models. TTIs or Doug's are the options for our Early As. Expensive but should tuck under the car a lot neater and provide better ground clearance. That said, those fenderwells you have I believe are the largest avail for our cars.