i am in desperate need of some info. i need to find out the exact materials used to make the valve springs, camshaft, piston rings, cylinder head, bearings, cylinder block and the crankshaft of a 95-97 ford fiesta zetec s engine. i have done various hardness tests to try and determin the materials however get very different values on each repeat experiment, i have also search the internet and read through books but find conflicting data. can anybody help?
thanks in advance