its hard to explain but simply the fuel will be injected in the piston chamber then small spark will ignite the fuel and the explosion will push the piston down which will turn the crankshaft. yeah its impossible to do something like that in this game. engine is very compicated piece of machine.
*Well I sometimes hate autocorrect.
cavo471: We'll how do they work?
englines dont work like this but nice try :DD +1