I am looking for head torque spec, valve lash adjustment, serial 4930436
Also i water getting into crank case oil, checked head and block for warpage, magnafluxed head no cracks,and replaced head gasket, visually inspected cylinders walls. any one know if blocks are prone to crack? or if water pump can leak internal on this model? I was told its a G1400 or G1600 series engine