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Date: Wed, 20 Jun 2001 15:34:29 +0100
From: "Grunff" <runffnopsamo.com>
Subject: Re: Turbo Cooling


Air cooled, huh? If I'm not very much mistaken, NG 900s use water cooled turbos, same as later OG900s, 9000s and 9.5s. In the old days, when the only cooling a turbo's bearings got was through it's lubricating oil (as on pre 1987 OG 900s), letting the car idle for a minute or so before sut down was a must. Also, not beating the car when the engine is cold. When water cooling was introduced, it made a big difference to turbo life expectancy. However, even a water cooled turbo will glow cherry red after a thrash at 90mph. So, my advice is this. Don't worry about it too much, but don't boost hard until the car's had a chance to warm up, and if you've been cruising at high speed, or doind lots of had accelerating, give the car 30-60 secs of idle time before shutting off.

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