Oil preesure ?
I have an 81 bronco with a 351m and when i get off the freeway or drive for awile withuot stopping its got a rod knock and my gauge always reads on L or so. i did a oil pressure test a i got about 66-68psi at idle and revin it up its about 70psi is that high? Is that something i should worrie about? O its got 10w40 in it. Thanks for any help you guys san give me