But if it's not found until it's more advanced, the high iron levels can damage parts of the body. This can lead to potentially serious complications, such as: liver problems â including scarring of the liver (cirrhosis) or liver cancer. diabetes â where the level of sugar in the blood becomes too high.
Iridium vs Platinum Spark Plugs. Aside from the very common copper spark plugs, there are two other options for most users; platinum and iridium plugs. Both types have the very same parts and construction, the only difference between iridium and platinum spark plugs is the metal used for the center electrode. As you may already have figured out, platinum plugs use platinum while iridium plugs use iridium for the tip of the center electrode.
1 There is a very close Iridium spark plug match for your standard spark plug (i.e. overall design is very similar) 2  The standard spark plug you are replacing is a basic copper plug (the Iridium plug will then be a more significant upgrade)  The engine has a large cylinder capacity and a large number of cylinders.