Date: 20 Dec 2003 18:20:45 -0800 From: charlienopsametroit.com (charlie3) Subject: Re: Prized 1980 Saab 5 door turbo
> I'm afraid you may be looking at an engine rebuild. The lower vacuum and oil > pressure point to bottom end wear, this may well lead to the starting > problem as it will be down on compression. You could try a thicker oil to > keep the pressure up, won't do a lot but will make you feel better when you > look at the gauge ;-) > > Matt Engine wear in the block has been considered and you may be right but compression tested fine after the head was rebuilt so the lower vacuum vay be caused by something else. I'm still looking for the best way to check for vacuum leaks that aren't caused by low compression Loose bearings in the block might be causing low oil pressure but I am not noticing any knock. Before going to the expense of rebuiding the block I'm trying to be sure other possible causes are eliminated. The turbocharger was also recently rebuilt. When the car is in its groove (50 to 80 mph), its a besat.
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