92 N/A in a 94 N/A body? - Page 2 - 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 08-11-2006, 12:45 PM   #11
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Is the chain and gear set the same between the two transmission? Swapping diffs is something I had considered, but I thought the chain and gears were different.
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Old 08-11-2006, 02:44 PM   #12
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umm. if they are the same models, they should be the same. Lemme check my manual....can you look at the tags on both trans and give me the model codes. Should be something like 4PFW, or 4YZW for the 1994.
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Old 08-11-2006, 02:56 PM   #13
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I'm physically an hour away from my Bonneville and haven't seen the Olds 88 yet. I thought there was a reference page on one of the GP clubs about changing the diffs. After I get back from lunch I'll find it. It shows on that page the information I'm looking for.
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Old 08-11-2006, 04:02 PM   #14
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changing the diffs is easy. I thought you wanted to know if their was a difference between the sprockets and chain. I have found different variations between the 2 years.

1992


1994


Also knowing the exact broadcast code(model #) will tell me what kind of diff it has. The 4T60-E'* have 3 different internal ring gears.
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Old 08-11-2006, 04:51 PM   #15
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That information is PERFECT. BTW, I'm not too interested in the 92 anymore because of all the time I would have to put into it to make it work in my 94. The motor/trans I'm looking at now is out of a 94 Olds 88.

From what I can see, even if the Olds 88 has the 2.84 ratio, the drive chain and sprokets are identical and it'* just a matter of swapping diffs and using my current torque converter... unless there'* some benefit to using the 1420 stall that might come with the 2.84 trans?

Thanks for those images, they completly answered my questions
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Old 08-11-2006, 05:24 PM   #16
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