Pressão do óleo 0 n reglanti e 20psi Aceler

Well, friends, I hope you can help me, I am repairing the chevy engine year 1992, all the bench and connecting metals were changed to the engine, the cylinders were rectified and the pistons were changed and the hoops, the oil and others I slow the light on the dashboard that marks oil, to try to solve the oil for another, the problem followed, and the entire electrical system was reviewed which has no problems, but in the same way I kept turning the oil light, we Medido a pressão do óleo no golpe do filtro de óleo em manuais ... ele me diz que o filtro obstruído e o rolamento luxuoso da árvore de cames, o eixo do chá é incorporado ao cilindro, bem como a foto mostra ... as soluções QE me dão