Date: Sat, 20 Dec 2003 23:50:36 -0000 From: "**-**" <m.faulksnopsamternet.com> Subject: Re: Prized 1980 Saab 5 door turbo
"charlie3" <charlienopsametroit.com> wrote in message news:947d5aea.0312201319.3268799dnopsaming.google.com... > There are several things i'd like to correct on my 1980 5 door turbo. > It has 90,000 miles, no rust, owned since 1983, etc. The car was used > summer only then parked for 7 years and rolled out 2 years ago for > year round use. > > 1. The car used to start on the first turn of the key and run > smoothly without being goosed. Now it is necessary to start and let > it die two times. On the third try it starts and runs smoothly as in > the past. My guess there is an adjustment that might correct this. > It also MAY be running rich until wawrmed up. Anybody know what to > check? > > 2. Oil pressure used to stay pegged about 50 pounds, hot or cold. > Today oil pressure is 50 lbs cold but warm oil is 35 lbs underway and > 15 lbs at idle on warm oil. I would like to restore the original > pressure to protect the newly rebuilt turbo. (I have heard there may > be an over pressure valve somewhere in the system that could be stuck > partly open.) Any suggestions about improving oil pressure in this > car? > > 3. In past years the after market vacuum/boost guage showed the car > idling at 20 inchs vacuum. Today the norm is 16 inches. What is the > smart way to check for vacuum leaks in this car? > > I prize this car the usual Saab addict motives and for the five door > 900 coach with turbo and 5 speed. (There were no more 900 5 doors > after 1980.) I find nothing out there to replace it. > > Any suggestions would be appreciated. > > Charlie 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
 |
 |
 |
 |
 |
