C4 General Discussion General C4 Corvette Discussion not covered in Tech

Automatic Shift Points

Old Aug 14, 2007 | 06:34 PM
  #1  
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rahoyme
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From: Watertown SD
Default Automatic Shift Points

I had the occasion last weekend to have to drive on a gravel road, with a steep incline/decline. I shifted the auto tranny into 1st gear. (Had never done that before). No problems. However, now on the street/highway, it seems that my shift points are higher. It used to shift from 1st to 2nd at about 12-15 mph, now it shifts from 1st to 2nd at about 23-25 mph with almost 3000 rpm's. 2nd to 3rd is still about the same at 32-35 mph. If I take it to my mechanic, am I looking at major problems, $$$? Anyone else ever have this issue? The car's an '85 L98 Z51.
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Old Aug 15, 2007 | 07:30 AM
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fxr4
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From: SE Kansas
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Hope its nothing serious, but it could be something as simple as the throttle valve cable is out of adjustment. That will sure mess up your shift points.
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Old Aug 15, 2007 | 10:35 AM
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From: sw Ohio
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Mine does the same thing but I dont get up to 3K rpms, up TO about 2K for me.
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