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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 07-21-2010, 08:54 AM   #1
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Default engine trans pcm question

ok my question'* are

1. will a series 2 hook up to a 4t60-e trans? ive heard people say you can but im just making sure

2. sences i have a 4t60-e tranny and lets say i have a 99 series 2 motor can i use a 96-97 pcm that has 4t60-e and a series 2 motor?
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Old 07-21-2010, 09:01 AM   #2
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Not sure what you are trying to do.

In 96 the S2 L67 equipped Bonnevilles had a 4T60 trans. In 97 the L67 had a 4T65.

Yes it'* possible.
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Old 07-21-2010, 03:06 PM   #3
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ok cuz im talking to a guy with a 99 series 2 motor but i dont wana buy another tranny atm so im hoping if i just get a 96 pcm i can keep my trans and not have to swap it
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Old 07-21-2010, 03:07 PM   #4
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i have a 93 bonnie ssei
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Old 07-21-2010, 03:53 PM   #5
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You'd have a few hurdles to overcome. Like remapping some of the various instruments etc. Some wire moves at the firewall. With FSM'* for both you could definately make it happen.
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Old 07-21-2010, 04:57 PM   #6
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i would i go about remapping the instruments? and also whats FSM'*
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Old 07-21-2010, 08:53 PM   #7
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Lemme see if I get this right.
You have a 93 car, but need an engine, but the engine you have is a newer Series II correct?
You can pretty much swap any 95 to 2005(ish) Series II engine in any 95-2005 body. It'* a matter of swapping all needed sensors.

As far as going from Series II platform to a Series 1 platform, not sure.

FSM=Field Service Manual. In other words, Our Bible.
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Old 07-21-2010, 09:54 PM   #8
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i can get you diagrams from any FSM from 82-06...

i think the absolute easiest route would be to grab a 95 (or maybe 96-97?) L36 PCM, and just bolt up and go...
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Old 07-22-2010, 02:25 AM   #9
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ya ill go and grab thoughs fsm and let me recap

i have a 93 bonnie ssei and im looking a a 99 series 2 sc motor for my car. i dont feel like puting a new tranny in atm, so sences 96 ssei still had a 4t60 that the pcm from a 96 would bring the 99 s2 and the 93 4t60 together. so i cna have a s2 reliable care with no ticking noises lol
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Old 07-22-2010, 03:11 AM   #10
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Quote:
Originally Posted by BillBoost37 View Post
Not sure what you are trying to do.

In 96 the S2 L67 equipped Bonnevilles had a 4T60 trans. In 97 the L67 had a 4T65.

Yes it'* possible.
You sure it wasn't a 4T60E-HD? I know they had those but with special parts to where you couldn't just swap the diff from the 4T60E-HD to the 4T60E. I know for a fact this was the case for the Riviera for that year.

Quote:
Originally Posted by Epicpwn View Post
ya ill go and grab thoughs fsm and let me recap

i have a 93 bonnie ssei and im looking a a 99 series 2 sc motor for my car. i dont feel like puting a new tranny in atm, so sences 96 ssei still had a 4t60 that the pcm from a 96 would bring the 99 s2 and the 93 4t60 together. so i cna have a s2 reliable care with no ticking noises lol
I recommend that you DO NOT bolt a 4T60E to an L67. I had that option with my L67 swap in my 95 Regal and I opted to get a 4T65E. There have been numerous reports of stretched chains in 4T60E'* bolted to L67'*. The transmission cannot handle the power very well due to that stretched chain. You might get a few thousand miles out of it, but I'd be surprised.

My personal plan of action was to get a 4T65E from a 3100 powered car and bolt the HD differential to it, which will by next week will give it 3.29 gears. Easier on the transmission, and more power to the wheels.
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