Reman engines + question about EGR-less - 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 11-02-2003, 10:22 PM   #1
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Default Reman engines + question about EGR-less

Could anyone recommend a reputable source for remanufactured engines (long blocks) that you would trust?

Also, would there be any benefit to 'converting' my 92 'EGR-less' L27 to one with an EGR? Would this just involve 'swapping' the intake manifold with a 93/94 or is it more involved than that? I was thinking since I would have to take-down the manifold and all that stuff to re-install on a remanufactured long block, might as well look into it.

Thanks for any advice.
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Old 11-03-2003, 12:30 PM   #2
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Hello. I just had my 93' SSE n/sc engine replaced. The old water in the crank case problem :( . Have about 2,300 miles on new engine. My mechanic recommended an engine from Power Source or GM. I got the Power Source engine, it comes with a 3yr 100k warranty(better than GM'* warranty). So far so good. cost for engine is $1850.00 plus labor. Total with new water pump,plugs, wires, was around $2500.00. They do have a web site.Hope this helps alittle..
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Old 11-03-2003, 03:22 PM   #3
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If you want to convert to an EGR, it'll cost you a wiring harness and PCM out of a 93. That'* alot of work. Running a cooler thermostat and a tranny cooler can help with the EGR-less problems.
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Old 11-03-2003, 08:59 PM   #4
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Will'* right in one aspect of this swap, but there is a little more to it interenally most are not aware of. I believe the crankshaft is different for an EGR engine as the compression ratio is different between an EGRless (92) & EGR-equipped (93) 3800 too. Therefore the whole engine will need to be rebuilt/swapped.
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Old 11-04-2003, 03:51 AM   #5
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Thanks for the replies. I'll take a look at PowerSource. I will be doing the labor, so that should save a few bones.

As for the crankshaft, the sources I've seen list the crank casting # as the same from 92 through 94 - #747. I'm not certain that means the crank is identical, but I believe it does.

The heads may even be interchangible from 92~94. The head casting for 1992 is #619, while the head casting for 93~94 is #2163. One remanufacturer lists both numbers for 1992, the first being #619, followed by #2163, separated by a semi-colon, as if to indicate that #2163 is an alternate # that is interchangible. I'm not sure, though, it could be an error.

At any rate, it would seem, at the least, swapping a 93 ECM would be required, if not the wiring harness (provided the EGR lead isn't just going unutilized on the 92). A lot of trouble for such a small benefit.

One last question. While I would have all that stuff taken down from the old engine, and the 'naked' long block highly accessible, is there anything else I could do to reduce the risk of these heat-related exhaust valve and manifold failures?

Many cylinder head rebuilders do reasonable custom requests like porting, polishing, using higher grade (more heat resistant) valves and stem seals, oversized valves, widening coolant passages, etc.. If there would be any benefit to this kind of thing, I might consider the extra cost.

The 180' stat and trans cooler will be on my list.
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Old 11-04-2003, 07:38 PM   #6
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What'* power sources web site? I'm having a little difficulty finding it. I'd like to look at them for the SC 3.8l. see what there price would be. That'* a great warrenty on the motor. I thought GM 3yr/50k was nice
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Old 11-04-2003, 08:08 PM   #7
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Power Source Engines

I've also heard good things about Four Star, ATK, and Jasper engines. Decisions, decisions.
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Old 11-04-2003, 09:39 PM   #8
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Looked at them. Thanks. Power source looks best right now. But will look more in depth at the deals.
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