Quote:
Originally Posted by rickpaw
When I started mine and a friend's (5.3 LM7 junk yard pullouts), I removed the plugs, disconnected the fuel pump/fuel injector harness, and cranked the engine in 10 second intervals. Did that about 4 times and oil pressure came up on the oil pressure gauge. Plugged/installed everything back up and fired up the engine.
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Good advice here. Pulling the spark plugs helps the engine turn over faster, and will relieve the un-oiled rod bearings from any load. To add to this, fill the oil filter BEFORE you install it.
If you can get to the oil pressure sender behind the intake...you probably cannot...you can put 4 quarts of oil in the engine the usual way, and squeeze the last two quarts of oil with the proper attachment, through the oil pressure sender hole. This method fills MOST of the oil galleries in the block, and the oil pump.