How do you prime the oil system in a G3 Hemi?
If you look in the first picture, you will see a small hose attached to the engine block, just above the oil filer. There are two threaded pipe plugs in the block there that tap into the oil system, one is feed and one is return to pump.
You simply get a new / uncontaminated garden sprayer from your local home supply store, $12USD or so. Cut the spray wand off insert a brass barbed hose to pipe thread adapter. Fill the sprayer with your preferred oil and pump it up. While the sprayer is pressurized, turn the engine over by hand to let the oil flow through the pump and engine.
Tips:
1. It's best to remove one spark plug from each cylinder to relieve compression on the engine. This makes it easier to turn and places less load on the bearings while you prime it.
2. Remove a valve cover and watch for the valvetrain to become lubricated, then you know the oil has gotten through the engine passages. Keep turning the engine over with oil pressure until air bubbles are out and the valvetrain drips just as it would while running.
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