Smoke thinks we're in the mission, he throw random vehicles to shout out of "IMCOMING TRAIN CJ!"

Don't let Smoke fool you! He's way too good. Can he easily kill you with that M4, rate of fire is very high without edit with weapon.dat so why not spawn fake CJ to help you by pressing CTRL+SHIFT+F9.

Spawn Big Smoke by pressing M+F8.

Try putting Big Smoke in one in of these missions that have cars , or place him on the road where car path take place even BEST PART PLACE BIG SMOKE ON THE ROAD WHERE TENPENNY DRIVES THE FIRETRUCK in mission end of the line, but sometimes he move arounds if not any peds nearby.