tranny build codes - 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 07-02-2007, 09:47 PM   #1
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does anyone know where I can interprete these. my tranny is a "617mab" and the one I have to replace it is a "611chb"
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Old 07-02-2007, 10:03 PM   #2
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Old 07-02-2007, 10:09 PM   #3
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thanks, now to figure this out

Model DifferentialRatio SprocketRatio OverallRatio ConverterCode ConverterDiameter K-factor(stall) IMS

7MAB 3800SC V6 Olds 88, Pontiac Bonneville 3.29 37/33 2.93 JSFM 258mm 133 No
1CHB 3800SC V6 Pontiac Bonneville 3.29 37/33 2.93 JZFM 258mm R115 Yes
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Old 07-02-2007, 10:55 PM   #4
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It'* the right ratio and TC diameter. Looks like a different stall? From a 2001. For SC. Didn't I read somewhere that the 2k trannies are wired differently?
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Old 07-02-2007, 10:58 PM   #5
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Quote:
Originally Posted by willwren
It'* the right ratio and TC diameter. Looks like a different stall? From a 2001. For SC. Didn't I read somewhere that the 2k trannies are wired differently?
ya, I would need to get a side cover and wiring harness. the tc'* are different also. the 2k'* don't lock up like the 97-99. they have like 20 rpm slip. Sent an email to the experts (Tim and Todd). We will see what they say.
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Old 07-02-2007, 11:55 PM   #6
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Sounds like you have a good fresh start. Pun intended.
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