water cooling vs. oil cooling
07-25-03, 10:34 AM
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water cooling vs. oil cooling
Can someone explain the diffs between an oil cooled turbo and a water cooled one? Pro's Con's price diff? thanks
I've heard oil cooled turbo's are not as reliable
I've heard oil cooled turbo's are not as reliable
07-25-03, 05:43 PM
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Old [Sch|F]ool
All turbos technically are "oil cooled" in that some of the heat is carried away by the oil. Non water cooled turbos just rely *entirely* on the oil.
Here's a graphic from an SAE paper that Dodge did on the engineering process of the 2.2 Turbo, back in the 80's. They were trying to determine if the benefits of a watercooled housing outweighed the cost. The cars had watercooled housings, as well as practically all turbo cars made OEM since about that timeframe.
I see absolutely no reason why anyone would want to run a non-watercooled turbo. Unless maybe it was a rally car running huge amounts of antilag and you need the ability to quickly change the turbo every handful of stages.
Here's a graphic from an SAE paper that Dodge did on the engineering process of the 2.2 Turbo, back in the 80's. They were trying to determine if the benefits of a watercooled housing outweighed the cost. The cars had watercooled housings, as well as practically all turbo cars made OEM since about that timeframe.
I see absolutely no reason why anyone would want to run a non-watercooled turbo. Unless maybe it was a rally car running huge amounts of antilag and you need the ability to quickly change the turbo every handful of stages.
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