junk yard motor - 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 01-28-2008, 10:00 PM   #1
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A 1997 3.8 motor from the scrap yard has got about 85k on it. Would it be a good idea to change oil pump and put new main and rod bearings in it.
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Old 01-28-2008, 10:04 PM   #2
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I wouldnt bother with the bottom end. But, if its a L36, then I would look into changing the lower intake gaskets and replacing the upper intake manifold, plus plugs, and wires
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Old 01-28-2008, 11:22 PM   #3
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I would consider plastigage measurements of the rod bearings, water pump, aluminum frame LIM gaskets, sleeve for the UIM and reduced diameter stovepipe. I also install a new crankshaft rear seal and make sure the carrier bolts are loctited as a leak from the rear end requires removal of engine or trans to repair once the engine is in the car.
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