engine swap - 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 05-07-2008, 06:27 AM   #1
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Default engine swap

i have a 1992 pontiac bonneville ssei with a series 1 supercharged engine. i want to know is it possible if i can swap to a series 2 sc engine. will it be an direct fit. how many yrs i can go up before the engine wont fit. i was told i can go up to any where 5 yrs after from 1992 -1997 is that true
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Old 05-07-2008, 09:20 AM   #2
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Not a direct swap. You need the engine, trans, PCM, axles, and engine/trans wiring harness, as well as factory service manuals for both years (yours and the donor) for the complete swap.

The PCM, Trans, and Engine need to be from the same year.
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Old 05-07-2008, 09:39 AM   #3
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Default Re: engine swap

Quote:
Originally Posted by chitownwest
i have a 1992 pontiac bonneville ssei with a series 1 supercharged engine. i want to know is it possible if i can swap to a series 2 sc engine. will it be an direct fit. how many yrs i can go up before the engine wont fit. i was told i can go up to any where 5 yrs after from 1992 -1997 is that true
I don't recommend doing it without a donor car. The entire 97-99 system can be made to work and almost no modification to the car'* body is needed but the wiring is time consuming and requires a lot of thought and concentration.

Fuel tank is the same except 98-99 which had a recess for the tank pressure sensor. The fuel lines are different, it helps to have the 97-99 lines and sending unit so there isn't any cutting and splicing.

the A/c system should interchange.

But if done right...(note the donor 99 car in the window)

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.....You can have an unusual ride.
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Old 05-07-2008, 03:15 PM   #4
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ok thinx what yrs can i use so it can be a direct fit so i dont have to change any thing?
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Old 05-07-2008, 03:30 PM   #5
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92/93 SSEi or 92-93 Buick (PA Ultra), or 94/95 SC out of a Buick or Pontiac if you keep your SC, TB, FPR, and EGR.
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Old 05-07-2008, 03:41 PM   #6
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im keepin all my sensors ant things thanx. is it cheaper to rebuild?
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Old 05-07-2008, 03:53 PM   #7
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No, it'* not.
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Old 05-07-2008, 07:02 PM   #8
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where can i get the bonneville club fourm logos to put my car
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Old 05-07-2008, 07:56 PM   #9
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Quote:
Originally Posted by chitownwest
where can i get the bonneville club fourm logos to put my car
http://www.bonnevilleclub.com/forum/...ic.php?t=96744

In the future, start a new thread for seperate, off-topic questions.
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Old 05-14-2008, 02:48 AM   #10
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what is FPR ?
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