Question about changing oil.
The LS engines tend to use a little oil, especially if you have a few miles on them.
Last edited by Northside405; Feb 20, 2010 at 07:01 PM.
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OP My 5.3 burns about a qt. every 3k. It has 197k on it now and has been this way the last 6 years no change. It is a piston slap motor. My non PS 5.7 used NONE when I bought it but now uses 1/2 to 1 qt every 3k depending how I drive. It started as soon as H/C went on so I am sure it is pcv related. Your ok just keep an eye on it and don't run it low...
The LS engines tend to use a little oil, especially if you have a few miles on them.
a trick i used to to on my SBF is use 1 quart less oil which causes less oil slowing the crank shaft which gave some seat of pants hp.
and over filiing your engine will also cause lots of air bubbles from the crank shaft whipping it






