<VV> Spare Tire

[John]

I recently put a set of Cragar SS 14" wheels on my '65 Corsa.  Can I use one of the old 13" rims and tires as a spare or do I need to find a 14" wheel and tire?  My second question is, if I need a 14" tire, will any GM steel rim work or should I look for something specific?  Remember this is only to be used for a SPARE TIRE, so whatever it is, I only need to get to a station to fix or replace the flat tire.  Thanks for any help you can give.
John Johnson
65 Corsa Conv   140 4-speed
64 Monza Conv  110 PG