Re: Henry's 55 Constellation

Posted by 55PackardGuy On 2011/9/7 23:56:47

Henry,

That scoring and pitting on the oil pump face plate (pic 2712) can cause a significant oil pressure drop, which is often attributed to bad bearing, foaming oil, and whatnot. It is a gremlin that is not frequently suspected, and can be a bit cheaper fix than replacing pumps and bearings!