Date: Sat, 11 Jul 1998 23:18:10 -0400 From: "Fred Burgess" <capitalistnopsamnet> Subject: Re: Benefit of using synthetic oil in Saab 900S?
I used Syntec 5W-50 in my 1987 900S with no noticeable improvement, except in winter cranking. It will find leaking surfaces much easier and may even start using oil. In Michigan, it will certainly benefit you in winter.