It varies depending on model year but most Ford Crown Victoria's have 5x7 / 6x8 speakers in the doors and 6x9 speakers in the rear deck. Station wagon models have 5x7 / 6x8 speakers in the rear cargo area. The links below have a lot of useful info on the subject for 1992 and up Crown Victoria models... Front speakers: http://www.autoclinix.com/Mercury/Front%20Speakers.html Rear speakers: http://www.autoclinix.com/Mercury/Rear%20Speakers.html Depends on the year of the car, and which speakers.
Crutchfield.com says that the front speakers are 6x8, and the rear speakers are 6x9.
6x8
stock size is 5X7 in the rears
Should be 4 speakers. Two in the front dash, and 2 in the rear behind the seat.
Most factory speakers are any any where from 10 - 25 watts RMS. I wouldn't put factory speakers on an amp unless you want to blow them.
There is no factory optional tire. Original Equipment Size: 215/70-15
no
Yes
Yes
Yes.
Ford Crown Victoria was created in 1955.
Yes