I have seen polk audio speakers 6 1/2 round installed on 90 doors and those are huge and heavy.
compare your speaker specs versus polk specially height on crutchfield's website to help you make a better decision
the truck ran like a "raped ape"
A fussy warm weather creature...
95 classic lwb soft dash 4.6 on factory air ride
00 p38 HSE 4.6 on factory air ride
01 D2 4.0 un-molested