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

Downshift question

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Old Oct 24, 2002 | 12:32 PM
  #1  
90 turq rdstr's Avatar
90 turq rdstr
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From: st. peters, mo. USA MO
Default Downshift question

My 1990 will not do a 2-1 downshift in D4 between 25-35 MPH...but it will downshift in D3...Is this normal, or is there something wrong with my transmission?
Thanks
:confused: :confused: :confused:
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Old Oct 24, 2002 | 12:48 PM
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Default Re: Downshift question (90 turq rdstr)

You're ok........ I manually shift mine all the time (as in ALWAYS) and going down to 1st at more that 25 isn't a real comfortable thing....... it likes to slide the rear tires a little when I do that....... I USUALLY get to 25 or less to go for 1st.............. :seeya
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Old Oct 24, 2002 | 12:59 PM
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Default Re: Downshift question (90 turq rdstr)

vettmech is right! Downshifting to first from over 25 mph for me is :eek: ! I personally feel most comfortable going to 1st when I'm under 20mph.
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Old Oct 24, 2002 | 01:08 PM
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Default Re: Downshift question (War Machine)

Yeah War machine ,...... even if I'm thrashing my car it's best t get down below 20 or so........ if your headin into a turn and downshift and nail it at like 28 or 30 . :eek: :D ......... hang on real good ........ but don't quit drivin 'till the car stops movin' :lol:
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Old Oct 24, 2002 | 04:44 PM
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90 turq rdstr's Avatar
90 turq rdstr
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From: st. peters, mo. USA MO
Default Re: Downshift question (90 turq rdstr)

Thanks alot for the input guys...your right if I go WOT between 25 to 30 MPH I feel my back tires sliding...but I still can't figure out why it will not downshift in D4~
Thanks a lot


:confused: :confused: :confused:
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Old Oct 24, 2002 | 05:07 PM
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Default (90 turq rdstr)

I don't really know that.

Mine won't do it in D4 until I'm practically stopped. I have my lock-up speed changed on my chip so I can leave it in D4. I rarely leave it in D3. If I'm not in D4 then that means I'm manual shifting the gears one by one.
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