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Old 03-13-2013, 11:38 AM   #321
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Originally Posted by kam327 View Post
The only reason to prime the filter is so you don't have to run the engine for a few minutes after initial fill, stop it, pour another half quart or so to replace was the filter was filled with, check it, start it back up, stop it, check it again, etc.

It eliminates that middle step.
Priming an oil filter helps to reduce the metal-to-metal wear that occurs from a dry-start.
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