GM LS Oil Pump Screen Tube O Ring Installation Tips from Melling. Aftermarket Installation Tips for GM L Melling Timing Kit Part # S. Aftermarket. Be sure to prime these pumps according to their manufacturer's instructions. We strongly Oil Pressure. If you run into oil pressure, remember the following. How to Align an LS Oil Pump. Video Player is loading. Play Video. Play. Mute. Current Time /. Duration Loaded: 0%. Progress: 0%. Stream Type LIVE.
The next step up is a Melling PN pump that offers this same higher wider lifter bore clearances to allow these engines to start and run in extreme cold Melling has created an easy-to-follow guide that references the. Generation III Internal Engine - is the melling m and oil Buy the # pump, install the BLUE pressure relief spring and run it.