All sides are 6" by 8".
300 pounds
rear 6"x9" frunt 5"x7" unless u get slim 6x9 and remove plastic sizer in door then 6"x9" all around A 5"x7" will work but 6"x8" is oem for front and 6"x9" for rear.
If it is a V8 it will be a 4.6L motor, it is niether it is a modular engine and they are not classified in the usual big block, small block engine sizes. It is just it.
4x6 in the doors, 6x9 in the rear
You can go to Crutchfield.com to find speaker size compatibility for your specific make and model.
6x9 and 4"
The front speakers on a 2000 Pontiac Grand Am are 4x6. The rear speakers on a Pontiac Grand Am are 6x9.
6x9 in the back. 4x6 in the door. 1 inch tweeters
The speaker sizes for 97-2001 mountaineer that would make a stock fit would be a 5x7" speaker for front and rear. The Ford/Lincoln/Mercury company is notorious for using this size. You can also double check those kind of figures for any vehicle on crutchfield.com, a leading online audio/video company.
They are 5"x7" front ant rear, http://www.modifiedlife.com/1991-mercury-cougar-car-audio-wiring-schematic/
6.5" in the front, 6x9 in the rear.
the front speakers are 4"x6". the rear speakers are 6"x9"