Originally Posted by nick m

the silicon that is fitited inside the crank its an other story has nothing to do with the silicon oil like we are using for shocks .for iner use inside use its not good for the engine and its nit a temperature product also .for the silicon ruber at pipes in line and for gasket special product is parker silicon ,its protecting all kind off orings and gaskets to last 3 times more,but still we sould avoid in general that silicon oils are entering inside the combustion chamber,i hope you will not misunterstood my thouths