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 Post subject: supercharged lesabre?
PostPosted: Fri Nov 13, 2009 12:31 am 
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Location: ontario canada
Year and Trim: 1999 buick park ave 1996 chevy caprice 9c1
its always been on my mind to drop a supercharged 3.8 engine and tranny into my 1998 lesabre, what else would I need to make this happen? is this a unrealistic idea even with a parts car? Thanks in advance if this is posted in the wrong area sorry please move.


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PostPosted: Fri Nov 13, 2009 12:47 am 
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Year and Trim: 97 SE w/L67
If I can put one in this,
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you can put one in a Lesabre


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PostPosted: Fri Nov 13, 2009 1:23 am 
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Year and Trim: 1996 SSEi, Bright White, Medium Teal, 197k
That is awesome! I love those body style cutlass supreme's. Jealous...

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PostPosted: Fri Nov 13, 2009 1:42 am 
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Location: Dekalb Il
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with a PCM a wiring harness and a couple other things its completely possible..and it should fit with no problems...

good luck :)

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PostPosted: Fri Nov 13, 2009 9:16 am 
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You'll need the L67 wiring harness for a bonneville, a complete engine, PCM, and probably have a little custom wiring to do. It's basically a glorified engine swap, since the bonneville, which is also on the H-platform, came with an engine swap. The hardest part will be wiring, and that shouldn't be terrible.

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PostPosted: Fri Nov 13, 2009 7:29 pm 
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I'd make sure the rest of the car is up to snuff before doing an engine swap. Living in the salty north really sucks.

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PostPosted: Sat Nov 14, 2009 1:35 am 
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Location: ontario canada
Year and Trim: 1999 buick park ave 1996 chevy caprice 9c1
Oh for sure and at this stage of it all this is only a dream, I still have a 96 caprice that needs ALOT of work before I could get up enough money to do this swap, but I still want to know whats involved with this swap, Would I need a new fuel pump, what kinda wiring modification's would have to be done?


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PostPosted: Mon Nov 16, 2009 5:23 pm 
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Joined: Sat May 24, 2008 10:13 pm
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Location: St.Louis, Mo
Year and Trim: 1988 & 89 Buick Lesabre T-types
By the way you can use a SSE or SE harness and get a kit from intense to make it work with a L67. Thats is what I am doing because I was unable to find a SSEi after a year. That swap would be pretty straight forward. I wonder if you could get away with not switching the harness out and just switching PCMs and adding the connecting harness I was speaking of, but that is me just word vomiting so I wouldn't put to much stock in it. Kind of suprised they never put a L67 in the lesabre seeing the PA could get it, the Olds, and the Bonneville, etc...

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PostPosted: Mon Nov 16, 2009 6:39 pm 
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All he needs is that wiring to go from the PCM to the BCS...and have the PCM reflashed for an L67.

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PostPosted: Tue Nov 17, 2009 11:39 am 
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Location: St.Louis, Mo
Year and Trim: 1988 & 89 Buick Lesabre T-types
Pretty much what I was thinking. Would be a pretty easy swap I would assume but I could be wrong.

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PostPosted: Sat Nov 21, 2009 7:12 pm 
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Location: ontario canada
Year and Trim: 1999 buick park ave 1996 chevy caprice 9c1
What about things like the fuel pump? and would I need the sub frame from the SC car or any suspension parts?
So let me get this right I need a s\c engine with a hd transmission full engine harness and the harness that goes from the PCM to the BCM? any pics of this harness, and will my l36 axles go to the hd trans? I just want a realistic idea of whats needed to do this swap.


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PostPosted: Sun Nov 22, 2009 7:56 am 
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Year and Trim: '00 SSEi (proj), '99 Tahoe & '05 Bonne GXP
Quote:
What about things like the fuel pump?

S2s used a dual-speed fuel pump. Not necessary IMO...so long as the fuel pressure is able to keep up with the injectors. You can swap in an L67 pump and it will run the full-speed all the time.

Quote:
would I need the sub frame from the SC car or any suspension parts?

You should either swap in a full FE2 suspension, or order F41 spec springs. Same with the sways, front and rear, and urethane endlinks and bushings would help.

Quote:
So let me get this right I need a s\c engine with a hd transmission full engine harness and the harness that goes from the PCM to the BCM? any pics of this harness, and will my l36 axles go to the hd trans?

You need the engine and trans. The full engine harness you don't need....just the harness bit that comes from the PCM to the BCS. You do not need the PCM either...just reuse your PCM, send it to someone to have it turned into an L67 PCM. L36 axles will not fit the HD trans.

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2005 GXP - White Gold Pearl, no mods...yet.
2000 SSEi - Resurrection in progress. Built L67 w/L32 fuel rail, ported heads, and cam. Camaro front brake system, GXP cluster, and much more in planning.

BonneMe wrote:
Looks like a Volt, Sonata, and Taurus got it on.


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PostPosted: Sun Nov 22, 2009 1:39 pm 
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Only some S2 L67's used a dual speed pump. Not all.

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