Adding S/C - 92-93???? - 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 05-15-2005, 02:11 PM   #1
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Default Adding */C - 92-93????

I am getting a 92 or 93 L67. It has rebuilt heads, etc but a broken rod. Can I use the parts off of this motor on a similar year n/a motor(short block) to make it right? I know there are a lot of differences in Series 2 */c and n/a engines, but thought the series 1 motors were basically the same.
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Old 05-15-2005, 03:28 PM   #2
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The motors are not supposed to be the same. The SC whether S1 or S2 are totally different everything I've read. I think you need a SC to get parts from.
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Old 05-15-2005, 06:42 PM   #3
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you will need to get parts from a Series one L67
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Old 05-16-2005, 12:28 AM   #4
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No problem . . . . . . It can be done.

Just use a L27 long block and install all the L67 stuff. (making it sound easy) (LIM, M62, fuel rail/injectors, misc. brackets (map, etc.), dampener, pulley/alt. bracket, etc.)
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Old 05-16-2005, 12:41 AM   #5
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Quote:
Originally Posted by llBlazin_llLo
No problem . . . . . . It can be done.

Just use a L27 long block and install all the L67 stuff. (making it sound easy) (LIM, M62, fuel rail/injectors, misc. brackets (map, etc.), dampener, pulley/alt. bracket, etc.)
Yup.
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Old 05-16-2005, 01:25 AM   #6
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Transmission and PCM (for the gear change).

Sell the non-supercharged car and buy an SSEi. It'* alot cheaper.
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Old 05-16-2005, 02:01 AM   #7
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Quote:
Originally Posted by willwren
Transmission and PCM (for the gear change).

Sell the non-supercharged car and buy an SSEi. It'* alot cheaper.
I Read his post wrong!

It wouldn't be very expensive, you just need to know what you are doing and be able to work on your car. Your just going to have to be easy on the trans or buy a LSD.

On the PCM you are going to have start off with a stock L67 chip mapping and change:
- trans gearing
- heated 02
- wire in a MAP sensor.
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Old 05-16-2005, 02:18 AM   #8
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Everything I've read says they're close enough to the same engine. If you had a broken L67 and L27 you could create one good L67 out of it, but it'* pretty complex to do simply for the supercharger.

For good reading: http://www.bonnevilleclub.com/forum/...ic.php?t=24923
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Old 05-16-2005, 08:38 AM   #9
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I read this right the first time out, but thought I'd read the motors were very different. Is only the top end different? Motor wise that is, forgetting about the rest of the car and pcm.
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Old 05-16-2005, 12:14 PM   #10
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There are still some differences in the lower end, and some unanswered questions as well. Either way, it'* not a practical or cost-effective solution.
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