Certainly. Most were not constructed electric cars, which was built in the last century by Honda or Toyota, but by men regularly in the garage. These men took natural gas-powered car and convert it into electrical energy. This is something that can be done by anyone, you'll be ready to take the time to learn how to do this safely. There are several steps.
1. Buying a car from donors
Donor vehicle had come from places you do not think. Wreckers cars, and the backyard of your friends, you can even bidding on something he was sitting for some time that does not seem to be in use. Craigslist is another good source. Manual transmission is better to automatic. Consideration in an attempt to find something with a bad engine or any engine at all, and this can reduce the cost slightly. Just like buying a gasoline car, looking for something with a good, good interior and mechanical components. If the car is a piece of junk, such as gas cars, and it would be a piece of junk, such as an electric car.
2. Decision on the drive system and the purchase of spare parts
This section requires that you do some research. There are hundreds of possible configurations out there with different batteries, controllers and motors. You can buy these things from the supplier, or if you are more adventurous, recover from the forklift. Must decide what is most important of the quality and value, and if you choose to purchase from the supplier, and find one with good reputation to buy parts from. Provide comments and forums on the Internet to find out what others are saying about the company before buying anything from them. Do not skip this step. There are many flight operations at night on the Internet, and you do not want to waste your money!
3. Remove the gas engine
It is not difficult as it sounds. Cars can be rented from most of the lift and rental shops. Used for the installation of the engine that you remove all the screws and components that hold it in place. Support broadcast that you disconnect the engine from it. Small blocks of wood work very well. Consider selling the engine to recover some costs of the project electricity. If you can not sell it, dump the liquid and reduce it to the recycling of metals.
4. Install the components of your electrical
This sounds simpler than that. You will need a basic understanding of electricity and how it flows. You will need to learn the basics of wiring and workmanship. These things require some learning, but they are achievable by anyone. You will need to make the trays and battery adapter and car center or a machine shop do it for you. There are huge communities of forums EV enthusiasts on the Internet who want to help and see you succeed. Find and use all the resources as you can!
Start by conducting research to make sure that the electric car project is good for you, then go do it!