step 1 : choose the right sources like the image 1 and 2.
step 2 : select some of the fire (image 3) from the source and paste it on the whereever you want to fire it. Here i applied at the back side the racer(image 4).
step 3: Now adjust the fire by using the transform (ctrl+t).
step 4: Now just erase the fire edges with a small brush with low opacity. Repeat this which look you want.
step 5: Now the repeat the step 2 to 4 to the other portions i.e tyres etc..(image5 & 6)
step 6: Now says thanks to me and photoshop and do it on your system :)