The car's fuel system is very "rich". You are probably getting terrible gas mileage. See your mechanic.
black is excess fuel
Excess fuel causes black smoke.
they have elected a pope? in cold weather it is normal to see white smoke coming out of your tailpipe. the one you have to worry about is the black or the blue smoke
No. A bad head gasket would cause water to come out the tailpipe. You will see white smoke. Leaky rings would cause oil to come out the tailpipe. You will see blue smoke.
MaybeMaybe
burning lots of fuel to get it going, its an old car.
Black smoke usually means the engine is running too rich. The fuel/air mixture is incorrect. Blue smoke is oil burning.
Yes
It could, depending on the cause of the misfire.
Head gasket or cracked head
no but it may cause it to stall if exhaust is blocked
Blown head gasket. Or a missfire cause by a bag ignition coil, fouled plugs, too little fuel pressure, timing is off ect.