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 06-24-2004, 02:51 PM
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Well i took it into the shop today, my car is Screwed, threw a rod, piston has about 3 holes in it and bunch of gouges in the cylinder wall, said it would be cheaper to get a new engine, so im gonna buy a 94 engine for my 92, what am i gonna need besides the engine? will i need a new ecm and such?
Old 06-25-2004, 09:53 AM
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Originally Posted by jr's3800
I'm not 100% on what you will need... I think you will be able to use the old wiring harness and blower/intake.... But you will have to swap it all over to the new motor... You will need to be very careful about making sure that all of the pieces are the same, i.e. the heads( making sure the ports, and water ports are correct and exist on both heads ).... Just the small things... The heads and block should be the same... But you will now have Roller Fulcrum rockers... There are some diffrences internally, such as the piston rings, and minor bearing diffrences... But other than that it should work...

Just be super observent of anything that is or may look diffrent between the 2 engines... Good Luck and let us know how it goes..
I think he'* just going to drop the engine in whole. It should bolt right up to the tranny. The SC is different on 94-95 than on 92-93, but doesn't matter if he'* dropping it in as a whole. The 92 pcm should work with the 94 engine, right?
Old 06-25-2004, 12:58 PM
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Actually im dropping in a 95 now, and yes its gonna be a whole assembly, SC and all, all i need to know is what else do i need to buy, i mean will i need new water pumps and altenators and stuff? What about the PCM or will my hyperteched 92 pcm work?
Old 06-25-2004, 01:05 PM
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Your chip should work. The only problem I might be prepared for is AFR. But an AFC controller can adapt for that if necessary. You might have to keep our old 92 O2 sensor, as well.
Old 06-25-2004, 01:09 PM
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Will my old water pump and altenator work also? and my pulley on my old SC will fit on my new also right?
Old 06-25-2004, 01:11 PM
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Your alternator should be ok, the 95 should have a PS pump, and you might have to keep your EGR to work with the 92 PCM.
Old 06-25-2004, 01:13 PM
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I was under the impression that my car was EGRless, basically what im asking is what else do i need to buy besides the engine assembly, i already know im gonna go with a new radiator/oil cooler and get a tranny cooler.
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