C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Overdrive Problem

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Old May 14, 2004 | 10:54 PM
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91superram
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Default Overdrive Problem

Went for a drive on the highway tonight and opened her up pulled great all through 3rd but when it shifted into overdrive the RPMs started jumping between 4500-5500rpm.Can this be my automatic trany acting up or may it be somthing else?


[Modified by 91superram, 10:54 PM 5/14/2004]
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Old May 15, 2004 | 09:04 AM
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91superram
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Default Re: Overdrive Problem (91superram)

It almost feels like my tourqe conveterer is acting up ,has anyone had this problem with their automatic
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Old May 15, 2004 | 06:38 PM
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Default Re: Overdrive Problem (91superram)

How fast were you going, and what's your rear end ratio? Unless something has been altered, or something is reading wrong, you'd have to be going DAMN fast to be showing 5500 RPM while in overdrive.
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Old May 16, 2004 | 10:31 AM
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Default Re: Overdrive Problem (91superram)

Went for a drive on the highway tonight and opened her up pulled great all through 3rd but when it shifted into overdrive the RPMs started jumping between 4500-5500rpm.Can this be my automatic trany acting up or may it be somthing else?
Sounds like the clutch material on your converter is shot.

:seeya
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