Date: Tue, 10 Dec 2002 19:16:26 +0100
From: Zweef <>
Subject: Re: SAAB 9-5 headlamps

In article <Xns92DFE1C2DF2EDfritzfriicomnopsam17.128.4>, says... > > > A cold engine wears the least under a mild load, not too much, but no > > load at all is just as bad as full throttle at cold. > > I am a bad boy. Oh dear ;-) > I live at the bottom of a small hill and I tend to gun my > 9-5 Aero after I back out of the garage. I'm putting it under quite a bit > of load within 1-2 minutes of starting, and I tend to continue to do so > after I get onto the road. No really high RPMs, but I push it into the > full-turbo range. Hmmm, not a very good idea. > > How much is this likely to damage or shorten the life of the engine? How > long until it's really "wise" to tromp on the gas? Is the temp gauge any > use in determining this, or would you really need a block temp sensor to do > it right? > No, you don't need an oil temp sensor, just common sense. As a rule i never do full throttle and revs over 3500 for 15 minutes. It's freezing now, so it takes longer. Bear in mind that too low in revs is even worse than high revving, since forces inside the engine will be huge. I bought my '89 9000 with 300K oin it, and sold it with over 460.000 kilometers on it. engine was perfect, only a new distribution chain an headgasket at 390.000. it didn't use any oil, always ran perfect. gearbox was not as smooth as when it was new, but still OK. I know a guy who bought his '86 5-door 9000 Turbo (pink champagne, you wouldn't believe that color) when it was 2 years old with 30K kolometers on it. It has 825.000 (no mistake!) kilometers on it now, and he just replaced the original gearbox and his second head gasket (lousy SAAB quality eh..) Thing is that people that abuse their car will not suffer the effects, the second (or maybe third or fourth) owner will. If treated well an engine will almost run forever, and outlive the body probably. An old neighbour of mine has a 1966 Volvo Amazon. with close to 700K kilometers on it. engine was overhauled at over 400K, het told me it probably will not need one more in his lifetime (he's 72 now, still good health). It's also still in it's original paint, starting to get a bit cloudy now, but still OK. Bottom line: a good car will run forever when treated with love and care. I mean, you wouldn't want to run full speed when you just got out of bed! -- Zweef

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