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Date: Fri, 12 Feb 1999 18:09:01 -0800
From: Justin VanAbrahams <jvanabranopsam.com>
Subject: Re: 5W50 synthetic oil grade


Ken Washington wrote: > > Justin, > > Good to see you back...When I had my 83 900T, I tried the Castrol GTX > 20W50 for a while, during the warm weather here in the Mid-Atlantic. I > really did not care for that oil very much. I tried the Castrol Syntec > and couldn't get it out of my Saab fast enough. I went back to the > Castrol GTX 10W40 and was very happy until my mistake with Slick 50. > After replacing the engine I stuck with Castrol GTX 10W30 and I use > Militec-1. Currently in my 87 9000S I am using Castrol GTX 10W40 with > Militec-1...Everybody is not a speed racer...Riff knows about Militec-1 > because his Master Saabtech mechanic uses it in his 93 9000CS....Take > care and welcome back Justin. Actually, I didn't go anywhere. My news server has been wacky. Looks like they fixed it. Personally, I can't imagine how you could tell that something was wrong after putting oil in. In 13 Saabs I quite honestly cannot tell the difference between synthetic and non-synthetic, except that in my '90 SPG the turbo in quieter with Mobil 1 than it is with Castrol GTX. But aside from that, synthetic lubricants offer one things dinosaur oil can't - and that's higher temperature tolerance. With a good synthetic oil, the chances for coking in the turbo is virtually eliminated, which for me is worth the extra $15 per oil change. Also, from personal experience, taking a peak at a head that used dinosaur oil vs. one that used synthetic is an enlightening experience. In four head gasket replacements, the head came out MUCH cleaner and more regularly lubricated each time after using synthetic than it did after using dinosaur stuff. Quite honestly, it's cool if you wanna stick with nasty thick black oil and spend extra money on militec or whatever additive you want, but my experience tells me the little extra each time for synthetic will make your car be happier, longer. -Justin 13 Saab Turbos, nary a turbo replacement

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