engine modifications - 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 10-26-2005, 03:53 PM   #1
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as some of yall may know that i have had a few bonnevilles in my time and i just lost both mine and my late wifes bonnie and i just aquired a 1994 sse that is not supersharged and i was wondering if i can take the super charger off my 1992 and bolt onto the 1994 motor
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Old 10-26-2005, 03:59 PM   #2
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No, you can't just bolt it on. You need a new twin-path harmonic balancer, engine accessory brackets, wiring harness, PCM, transmission, and some internal engine parts. Even the pistons, rods, and Camshaft are different.

The Series 1 L67 is a much different beast than the L27 in your car.

The most cost-effective method is to sell your SSE and buy an SSEi outright.
Next would be a full drivetrain swap including wiring harness, PCM, engine, and trans.
Last would be what you propose.

Excerpts from a Bonneville sales brochure:

L27 (your engine):
Quote:
light-weight pistons
L67:
Quote:
Specific high-flow injectors
electronic bypass valve
special duty connecting reods
high-silicone alloy pistons
floating wrist pins
forged steel cam
And that doesn't even BEGIN to touch on all the other differences like transaxle, gear ratio, engine mounts, etc.
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Old 10-26-2005, 04:09 PM   #3
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will you have always been one of the biggest helpers i have found while i have been a member ....thank you greatly but i think a transplant might be possible but for now i guess ill just drive the car like it is
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Old 10-26-2005, 04:14 PM   #4
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If you're going to do a transplant, make it a full swap. www.L67swap.com will help a ton.
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Old 10-26-2005, 04:17 PM   #5
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As well Randman swapped a series 2 into a 90 B'ville w/a little help from me as his sidekick beer fetcher.

Ask away...
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Old 10-26-2005, 04:21 PM   #6
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the transplant wont be comming for a while because im kinda tied up with other things at the moment but im making a list of things im adding to the car like angel eyes and some other mods that i want to do like a underbody light kit and the interior neons and a new sound syatem
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Old 10-26-2005, 04:26 PM   #7
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On the neons, you may want to talk to 1993 SLE. I've now seen the spaceship and it'* neon power.
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Old 10-26-2005, 05:20 PM   #8
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If you wanted to go though that work. I would swap in a series II supercharged rather then convert series I to supercharged. Plus I beleve a supercharge series I prodouce about 205 hp.A super supercharge series II I think produce about 230-245hp.Their is more mod potetion in series Ii.But if was me I would just go out buy supercharge bonneville though. I have seen 96 supercharged bonneville around gr go for 2000 about 4500. You could looking into adding turbo, but of course anytime you add more power I would worry about the tranny I though only supercharge bonneville have hd tranny.
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