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Re: Anders was right Posted by SWEDECAR [Email]  (#112)  [Profile/Gallery]
(more from SWEDECAR) on Tue, 14 Dec 2010 08:47:56
In Reply to: Re: Anders was right, saabsince 93b  [Profile/Gallery]
, Mon, 13 Dec 2010 19:36:22
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Well, since it is a lot of Saab's running, I guess the pistons can't be too inferior but what happens is that when car manufacturers are under the gun of pushing fuel consumption down, something has to give.
The Saab engine from 99 and up kind of reached that level where it is so on the brink of not making it, just about anything can throw it off.
Think of it is a perfectly designed race horse that do great on the tracks but would fail miserably trying to pull some timber out of the forest using a sleigh. It would probably break its legs everywhere.
The pistons are skinny lightweight and rings very soft to create less friction. A few missed oil changes or bad air mass meter and it can go bad.
I see more Saab engines from 99 and up consuming quite a bit of oil than I have ever seen before. But it is also several others that doesn't use any oil at all during 5K intervals so it is not that 100% of them are bad but something at some point set off a chain reaction that took them down the wrong path.
I start to do more and more valve cover gaskets on the V6 engines now and I'm amazed over how clean they are inside compared to the 4 cyl engine. It's like the engine have been put together started but never run.
So it seems that the V6 engine have no problems with blow by gasses clogging up the internals.
They do have big problems though with the turbo seals leaking here and there and that creates a lot of oil consumption.
Anders
, Sun, 12 Dec 2010 10:52:52, Wed, 15 Dec 2010 22:29:46, Sun, 12 Dec 2010 13:03:19, Sun, 12 Dec 2010 16:09:59, Mon, 13 Dec 2010 09:22:06, Mon, 13 Dec 2010 10:04:00, Mon, 13 Dec 2010 10:45:20, Mon, 13 Dec 2010 13:05:35, Mon, 13 Dec 2010 19:36:22, Tue, 14 Dec 2010 08:47:56 <-- Viewing This Message, Mon, 13 Dec 2010 19:34:44, Sun, 12 Dec 2010 13:33:01, Sun, 12 Dec 2010 11:28:03
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