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Date: Fri, 26 Jul 2002 09:01:45 -0400
From: KeithG <>
Subject: Re: Should I use synthetic oil?/UPDATE

Mark, The only concern I would have is that the seals may leak. If they are seeping now, they will leak more with synthetic. Now, that said, I find it hard to believe that this car has the original main seals and oil pump seal with that many miles and that many years. If you do switch and they have not been renewed, you may have to do a front main seal/oil pump o-ring (it is not a tough job, really). If it was well maintained, the shop that last changed the clutch probably replaced the rear main seal. If not, it will probably need top be replaced next time the clutch is out. These are the 'biggies' which can leak. When I have changed over to synth from dino and the seals are not yet weeping, they do not begin to leak. So if it is dry down there in those areas, it is probably safe. Definitely continue with the Mann or other high grade filter. YMMV, $0.02 KeithG MarkC wrote: > I talked to the previous owner & he was using Valvoline with a Mann > filter. I talked to one of the mechanics at the shop where all of the > previous service work was done & he said that they've been using Penzoil > for thirty years. After reading the previous posts about the Mobil synth > oil I'm tempted to use it but with 417K on the engine I hate to jinx it. > I'll do some research on it. I can't get over what a finely made car > this is. It's such a pleasure to drive that I take it out just to drive > around & I haven't done that since high school. I've never driven a > Porsche but the Saabs must rank right up there with them & I don't think > that you can put 417K on a Porsche without any major engine work done to > them. > Mark > > > >

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