im looking for a map for the engine so i know what texture is on what part of the engine. such as the old V8?
Import the engine mesh into Blender and view it in the UV editor. Then import the engine's texture into the UV editor. If you 'Tab' into edit mode with the engine selected, you should be able to select different parts of the mesh and see which parts of the texture they are mapped to. Is this what you are asking about?