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Old 02-09-2013, 01:48 PM   #47
vtbob
wanderer
 
Joined: Jun 2009
Location: Western Vermont
Oddometer: 504
Just a caution on moving to 15/50 oil. It is more vicious and will quiet some of the looser valve lash.

But being more vicious, it pumps harder, flows more slowly.

Much of engine wear is on start up, before the oil gets in place to "float" the bearing, etc.

The 15/50 will be slower in getting the lubrication around the engine at start up
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