Engine should be warm. You want the oil splashed around so the rings can seal. For the best diagnostics you also want to do a leak down test. The two results together can give you a lot more information. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Todd Last Sent: Sunday, June 02, 2013 1:00 AM To: vanagon@GERRY.VANAGON.COM Subject: Compression test - cold engine or warm engine? What is the consensus on taking a compression test? With the engine cold or warm? Todd '88 Westy |
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