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.

poor transmission performance

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Old 10-07-2007, 11:27 PM
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TCC RPM Slip = 255 RPMs @25% throttle. Gear 3. If I TOok it to the freeway and started scanning sec.* Before OD would I Get Data For TCC Lockup Rpm For Gear 4? Where Else Can I Get RPO codes?
Old 10-07-2007, 11:29 PM
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You didn't do what we asked.

We need slip RPM'* in TCC LOCKUP. In OD, above 48mph AFTER TCC lockup.
Old 10-08-2007, 12:28 AM
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48 mph TCC lock up RPM' ok, Ill TRY to remember that, ok. Will You Look At both The Factory And The Sinister Perfomance chips Data?
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