S2 L67 Swap in 92 Bonneville - 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 09-15-2005, 02:03 AM   #1
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Default S2 L67 Swap in 92 Bonneville

I'm pondering the idea of swapping in a Series II L67 into my 92 bonneville. Maybe Spiral can chime in here with some help. I remember he had the swap on his 93. Any help/info would be great. Will the engine mate with my 4T60-E HD? Or do i need the 4T65? Thanks.
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Old 09-15-2005, 03:09 AM   #2
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Oh geez. Here we go again.

In order to use YOUR 4T60, you need the PCM and wiring harness out of a 1996 ONLY, including ANY Series 2 L67. And you need to do some wiring changes inside your trans to make it compatible.

OTHERWISE, the entire engine, trans, wiring harness and PCM from the donor car with a 4T65E.

www.L67swap.com
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Old 09-15-2005, 07:47 PM   #3
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that sounds like a lot work. Did you get good deal on motor.
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Old 09-16-2005, 12:36 AM   #4
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Quote:
Originally Posted by willwren
In order to use YOUR 4T60, you need the PCM and wiring harness out of a 1996 ONLY, including ANY Series 2 L67. And you need to do some wiring changes inside your trans to make it compatible.
Or you can use a 95 bonnie L36 pcm/harness with a chip. Fiero guys use it all the time.
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Old 09-16-2005, 02:10 PM   #5
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spiral used his stock wire harness and pcm, just had the pcm reprogramed by gm tuners to my knowledge. The harness is very close from series 1 sc to series 2 sc, i think he had a problem with the wire goin to the egr not bein long enough or somethin, but thats no biggie really.
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Old 09-16-2005, 04:24 PM   #6
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No I haven't bought a motor yet, but when this one goes, I'd like to swap in a series 2 for a little more power.. and the aftermarket is much better there anyway.
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Old 09-16-2005, 04:26 PM   #7
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Quote:
Originally Posted by 1994ta
and the aftermarket is much better there anyway.
now i woundnt say that....the Series one has all the aftermarket parts that the Series two has except on biggie...and that is in the works
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Old 09-17-2005, 02:56 PM   #8
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Quote:
Originally Posted by 1993 SLE
Quote:
Originally Posted by 1994ta
and the aftermarket is much better there anyway.
now i woundnt say that....the Series one has all the aftermarket parts that the Series two has except on biggie...and that is in the works
That part has been in the works for a looooong time now. I'd probably be interested in it when it finally comes out, but with the series 2, I have OBD2 and a higher starting point hp and torque wise.
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Old 09-17-2005, 03:18 PM   #9
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hey Pat...whats
Quote:
"the Biggie?"
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Old 09-17-2005, 03:30 PM   #10
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Quote:
Originally Posted by Lowrider0308
hey Pat...whats
Quote:
"the Biggie?"
L67 specific.
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