Date: Sun, 25 Apr 1999 23:33:57 -0700
From: "Douglas Swank" <>
Subject: Re: SAAB?

Ken Washington <> wrote: > Gentoo3, > > I can tell you this. I owned and drove an 83 900T 5 spd for over 13 > years and 251,000 miles. It was not intercooled. It relied on oil flow, > air flow and smart owners would let their engines idle for 30 seconds > before shut down. When Saab intercooled the 16V turbo engine, tubing > carrying coolant was used to carry heat away from the turbo. I cannot > speak for other manufacturers, except one. The Ford Thunderbird turbo > was intercooled basically the same way as Saab. As for the others I > don't know. That is *not* the definitition of intercooling. Again, the intercooler is completely separate from the turbo, a "radiator" that is mounted in the path of the charged air coming out of the turbo to cool it before entering the throttle body, intake manifold, and, untimately, the cylinder. The cooler air results in more efficient combustion, thereby increasing performance. Cooling the turbo (either using water [coolant] or oil) and intercooling are *completely* different. -Doug

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