ok, I have a 91 RS Convertible and the small 5 1/4" speakers or whatever size they are, are going bad. I've heard that I can fit 6 1/2" speakers in there but I'm not sure so if someone can look at these speakers and tell me if they will fit I would really appreciate it, thanks

http://www.pioneerelectronics.com/Pi...,21395,00.html