<human>:  How can I build a car engine from scratch?
<bot>: Start by gathering the necessary tools and materials needed to build an engine. Depending on the type of engine you are attempting to build, you will require a variety of different items such as a casting kit, piston rings, gaskets, and other engine parts. 2 Next, obtain and study the appropriate manuals and procedural guides for building the engine. While doing this, create a plan and assemble the tools for the task at hand. 3 Assemble the engine components in accordance with the provided plans or instructions. Utilize the tools you've acquired and follow the necessary steps to build the engine from scratch. 4 Once the engine components have been successfully assembled, install them in the agreed-upon fashion. If any adjustments seem necessary, make them to assure proper aligning and operation of the engine. 5 Make sure you have all the accessories such as the starter, distributor, battery, and wiring ready to use, and then test the engine. Connect all the necessary electrical components and fire up the engine to ensure that it runs the way it should be.