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Paulporsche Paulporsche is offline
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Join Date: Mar 2004
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Setting Cold Control Pressures under 10 Degrees

All the CIS charts go from 10C to 40C. For a warmed up engine, say on a 79, we always use the 40C figure, 3.2-3.6 bar, w/ vac line attached.

If we want to set the cold cp @ a temp less than 10C , say 0C, do we use the 10C figure, which is 1.2-1.6, or should we extrapolate downward to about .5 to 1 bar, which is what the chart would read if it were extended to that degree?
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Last edited by Paulporsche; 04-01-2009 at 05:21 AM..
Old 03-31-2009, 01:51 PM
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