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Originally Posted by Old Chuck Often means cooler temps. When Porsche used air cooled engines before 1998, they used more oil capacity to aid cooling. P cars will run 8-10
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08-18-2009, 02:55 PM
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A True Z Fanatic
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Quote:
Agree....I've had numerous Porsche's, but one big distinction is that the oil was scavenged out of the sump to a large external tank (Dry sump system) where a certain amount of cooling occurred (as well as a routing through an oil cooler up front). Getting the oil away from the heat source was a big factor. Often air cooled motors are referred to as Air/oil cooled, as oil and air both take heat away from the internals. Engines that rely more on oil cooling typically have a higher capacity. Adding a pan (or a spacer will add about a quart. My oil cooler adds a quart, so you could get up to 7 qts here with both. I don't think adding capacity can hurt but ultimately a cooler is the best solution as you add BOTH capacity AND a heat exchanger. Adding capacity alone is probably not an effective cure when the heated oil is just going to puddle in the relatively unventilated sump before being recirculated. (though I have vented mine in addition to the cooler).. Last edited by Modshack; 08-18-2009 at 02:58 PM. |
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