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Old 07-25-2001, 02:29 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
Not at all. Cold oil will cause higher pressure.

In the 78 450SEL I used to have, the oil pressure gauge would read 10-20 psi when I cranked the engine during a compression test.

You're probably familiar with full scale oil pressure gauges in other cars. MB uses about a third scale gauge. If it went to 10 or 100, depending on whether yours is a 1-2-3 bar or 10-20-30 psi gague, it would act as you'd expect and oil pressure gauge to act.

91 300SE
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