L67 Oil Priming - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-27-2012, 12:26 AM   #1
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Default L67 Oil Priming

I saw a Chevy 350 video of a guy who took an old points style distributor with a flat headed end and put it in the oil pump hole. He then plugged the oil pressure hole with a oil pressure sending unit and then hand cranked the distributor to get oil to overflow from the lifters to the valley pan.

I was wondering if there is a similar technique for doing that on the 3800, since the oil pump is driven by the gear connected to the crank on the front cover.
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Old 07-27-2012, 06:36 AM   #2
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I believe GM does have a special tool that connects to the oil pressure sending unit hole. This tool pre lubes the entire engine prior to starting.

The other way(which I have been seeing on other forums is) turn off the fuel system, remove all the spark plugs and turn the engine over for a few seconds. Wait a few, turn it over again for say 10 seconds again. Or at least until you see your OP gauge come up to normal. Reconnect everything and do a live fire.
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