| do It Yourself Plumbing part
When it comes to the inception of a custom concept, the big ideas are the easiest to envision. However, once you see how a vehicle's mechanics were manipulated for the right custom aesthetic-without eliminating its function-you'll gain respect for the time people spend in design and ingenuity.
Getting the fine details to succumb to the vehicle's conceived theme requires a great sense of design and knowledge. Other than wiring, plumbing is the primary element that can cause an aesthetic subtraction from a custom engine compartment's cleanliness.
When choosing a type of line, there are a number of things to consider. When adding something to your stock system, such as adding an inline fuel filter, cutting out a section of your stock line can be done in many different ways. Part of your homework in accomplishing the task of adding something to your plumbing, or a complete replumbing, is learning the hydrodynamic principles of that system, and what it needs in relation to its dynamic.
These committees approve all fittings and couplings used to flow liquids and/or gasses. For glossary terms' sake, these industry bodies and their acronyms are: 
| do It Yourself Plumbing crush Washers
Crush washers are stamped rings of soft metal, such as aluminum or copper. They create a seal by crushing down along the sealing ring to take the shape of the surface to be sealed. The aluminum crush washers are most noted for sealing swivel seals on carburetors. The copper counterpart is most known for Banjo bolt and brake fitting lines. In both cases, upon removal it's easy to see the textures transferred from the sealing surfaces to the crush washers. Because the washers seal from distortion, you need to change them every time you break the seal.
