Date: Tue, 16 Feb 1999 15:06:23 GMT
Subject: Re: 5W50 synthetic oil grade

In article <>, jvanabranopsamnet wrote: > I've got three high-mileage Saabs right now - an '88 9000T > with closing in on 230,000 miles; an '85 900T with 190,000 > miles; and an '87 SPG with 160,000 miles on them. None of > them leak any oil - although the SPG *does* leak power > steering fluid from the rack, which I don't have the money > to replace at this moment. For the record, my '90 SPG has > 54,000 on it and doesn't leak either. > My car 84 900T16 losses maybe 1/2 pint to a pint (500ml) between every 6K or so service. It does leak a little from the rear but the loss is so small there is no point fixing it. The car has certainly had a hard life! It is on its second turbo and gearbox. The turbo was replaced some 4-5 yrs ago and the car is now on 145K miles (As you may recall I replaced cam chain). BTW I always try and use synthetic oil. The most agreable one I have used is 10W-40 Castrol GTX, currently 15 from Halfords for 6 litres (BTW Castrol is a little confusing with their labeling. The 15W GTX said it was a standard cheap oil, whereas the 10W-40 said it was synthetic for advanced engines). Fully synthetic Valvoline is the next to go in. > anything when you use them. Quite the contrary, in fact - > Slick 50 has been sued, Prolong has been questioned, and > I'll bet that if more people had heard of Militec 1 and it > was more popular, they'd get sued or questioned too. BTW I once witnessed a very embarresed sales rep trying to sell this crap once(not slick 50 some other stuff). He did that thing where they smear this super oil improver onto a ball bearing and then measure how much pressure you can put on it before it seizes against a driven mains bearing. He showed how 10W oil etc. doesn't take alot of effort to over come, and how their 10 a bottle improver can take huge loadings. My brothers boss came out (30 yrs experience in car dealing/fixing) and slapped some duckams axle grease on the thing. You should have seen the guys face when no amount of force would cause the thing to seize! > Besides, I've taken apart enough Saab engines over the past > few years to know that wear is not a problem. I recently > watched as my mechanic replaced a head gasket on an '86 9000T > with 307,000 miles on it. The engine was SPOTLESS - no > visible wear, and all in-cylinder tolerances were within > ORIGINAL specifications. This wasn't exactly a shining > example of an old Saab, either - it was pretty beat up. > -Justin My SAAB tech has said that in 25 years of scraping/fixing SAAB's he has never seen a dead engine. Usually people replace or rebuild engines that have nothing intrinsically wrong with them. BTW he has a lock up full of engines that no one wants. NJH. -----------== Posted via Deja News, The Discussion Network ==---------- Search, Read, Discuss, or Start Your Own

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