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Old 09-28-2009, 02:10 PM
Brian Carlton Brian Carlton is offline
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Join Date: May 2002
Location: Blue Point, NY
Posts: 25,396
Quote:
Originally Posted by Wayfarer View Post
When stone cold, after sitting overnight, it reads right at the upper mark.
Engine not running.

Quote:
Originally Posted by Wayfarer View Post
after driving 20 minutes on the highway, parking on level ground, shifting throgh the gears, and waiting 5 minutes or so at idle, it reads low at an inch below the lower mark!
Engine running.


Use the "engine running" approach for all measurements and your data will be meaningful.
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