Let's try it on a G-35. The things needed are 2 gallons of engine ice and distilled water, engine flush, drain pan, funnel, safety glasses and some bags. First, remove the radiator cap and drain off the radiator, then re-instal the drain plug. Add one bottle of engine flush, distilled water, then re-instal radiator cap and run engine for 20-30 minutes. Allow engine to cool and the repeat the previous steps using only distilled water until water is present during draining. Then add engine ice...