How to make generator from car engine

Hello,everyone this is my first post in this blog about generator.My english is not too strong so don,t mind for any mistake.so i am a mechanic and i make generators from cars engines i have a workshop and selling generators.if u want to make generator from me then u will contact me and if u want to make your by own then you are in right place i will help you.This some basic steps how to make generator.