HONDA CRX ENGINE BURNING OIL

I Have An 88 Crx Si, I Recently Recently Installed 91 Crx Si Engine Due To Engine Failure. Spark Plug Tubes Were Leaking Oil, Replaced...

When I Drive My Car And If I Rev It Too High I Get A Smell Fo Burning Oil For About A Minute And A Half And Then It Goes Away. How Do I Know...