Off set at last! Restoration advice needed...

12 yr old bar b chef, off set smoker, barely used, good condition, but needs some TLC, surface rust etc. I used degreaser, wire brush, navel jelly, sandpaper, chefrob restoration is the goal. Need some paint recommendations, both are Rustoleum products, both are spray can, should I use;

#1) 2000 degree high temp engine paint, flat black
#2) 1200 degree high temp BBQ black, satin finish
#3) another recommendation?

Votes please! I wanna get cookin!

Thanks!