bought a 94 SSEi - 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 06-06-2007, 08:14 PM   #1
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Hi guys,

Haven't posted in a couple years I think. Yesterday I bought a 94 SSEi. White with gray leather, hud, white wheels, moonroof, about 150k. It has a rebuilt trans with 30k and the body is straight and the interior is almost perfect. Paint is peeling off the roof and a little on the hood and trunk, but no rust. The motor holds no oil pressure, the guy I bought it from said something about having to seal the oil pump. I'm just assuming the motor is gone.

No pics yet, looks just like this one:


Is there a faq or site that explains what engines interchange, or at least the longblocks? I started reading into the L67 but I definately want to keep obd1 and the current trans. If I could find a motor that drops in and I can reuse the sensors and pcm that would be awesome. :P
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Old 06-06-2007, 09:05 PM   #2
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Nice find. Just beware of the white curse.
I would love to pick up an SSEi.
What do you mean by won't hold oil pressure? I lose oil pressure as I drive, as in it starts fine but in a few miles my gauge reads in the red.
Not sure why though. Gonna be taking it to a garage soon.
As far as motors, someone with MUCH more knowledge than I will chime in soon I'm sure.
Oh yeah, welcome back!!
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Old 06-06-2007, 09:58 PM   #3
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It seems like you're asking a mechanical question since you are having engine problems, so I'll move this to the appropriate section.

IDK what the guy means about "sealing" the oil pump. As far as engines go, obviously another 94 L67 would work. Possibly a 95 as well but I think the wiring could be an issue. You'll get a definite answer on that.
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Old 06-07-2007, 08:52 AM   #4
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94 and 95 are interchangable.
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Old 06-11-2007, 01:53 AM   #5
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I haven't looked into the reason why the engine has no oil pressure. I will start prepping the motor to pull it tomorrow as it doesn't look too bad.

I've read a few posts about the n/a motors bolting up to a supercharger. Is this the longblock or do you need to use the supercharged heads also?
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Old 06-11-2007, 07:31 AM   #6
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I can't get into too much detail as I am at work, and it'* a weekday Did I use an L27 longblock for my replacement, and supercharge it? Yes. And I am reasonably certain it will work OK for 92/93 applications, so long as no heavy modding is done afterwards. However, 94/95s are a bit more aggressive in the power and torque outputs. In those cases, I would build up a whole new block instead of just throwing in an L27.

Now then, longblock for longblock, the only major differences between the L27 and L67 are the pistons and the rods. Meaning you could find an L27 longblock and buy new L67 internals to stuff in there.
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Old 06-11-2007, 08:37 PM   #7
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I was more looking for a longblock I could just swap in without too much work. I wouldn't want to do anything to the bottom end. I do plan to keep it stock, but it sounds like finding a supercharged longblock might be the way to go.

I managed to snap one picture today before my camera died.

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