low power above 35 - 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 08-31-2007, 08:36 AM   #11
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What was the trans out of and ws the gear ratio etc all the same?
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Old 08-31-2007, 08:27 PM   #12
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Quote:
Originally Posted by BigMike21
... the roads are flat and the boost stays the same just the rpms drop while i keep the gas at the same place ...
Why do I get the feeling he'* just not used to Overdrive actually kicking in?
It kicks in at about 44mph on both my 3800'* under steady throttle.

Mike, let off the pedal slightly, does the RPMs kick back up a bit when you hit about 39mph ?
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Old 09-01-2007, 04:10 PM   #13
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the tranny was from a 97 ssei like mine so it should be the same and i will try the overdrive thing to see
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