Everything you need to know about power wheels and other battery operated ride on toys is free on the net. Modding your Power Wheels, going from 12 volt to 18 volt, traction, Gears, Motors, optional batteries, or any thing else you can think of for you PW. All you have to do is search:

modifiedpowerwheels

Don't get scammed by sellers that are providing products that don't work or Selling information that is free!

Remember, A modified Power Wheels can be dangerous!