hey ok so its like a 20.5 gal tank right so lets say it says I have 20 mils to go on this tank of gas and fil it up and it only fills up like 15 or 16 gal are the other 4 that 20 and resevre or what ??? I ask just cus i would like to know and am going to but 100 oc in it and want it to be truly 100 oc og and a few 10 point boosts so it well be more liek 102 oc and want to have just about empty tank when doing so

 

use the search function, that's why it's there for...

to answer you quickly, i drove the car until it was empty, and was able to get 19.6gallons.