93 SE Gearing - 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 09-01-2004, 09:29 PM   #1
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Default 93 SE Gearing

To me it seems like first and second take WAY to long to get through using a 3.8 liter engine. I remember someone saying something about changing the gear ratios using a setting on the chip. Is this possible, and does anyone know the setting?
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Old 09-01-2004, 09:35 PM   #2
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Um, no. If you change the final drive ratio, it has to be actual gearing in the tranny. You would then need a reburned chip so the speedo and odo are correct.
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Old 09-01-2004, 09:45 PM   #3
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And the shiftpoints need to be reprogrammed at that point, too.
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Old 09-01-2004, 09:50 PM   #4
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Wow that was insanely fast. Thanks for the info.
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Old 09-01-2004, 09:53 PM   #5
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Try flooring it. I shift out of first at 42, then out of second at 79. Can't remember my 3,4 shift, I tend to be more concentrated on my surroundings by then... 3.06 ratio.
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Old 09-01-2004, 10:52 PM   #6
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that seems kinda odd, i distinctly recall shfting out of 3rd right about 90, with it to the floor of course, and it wouldnt make sense to shift out of 2nd at 80 and shift out of 3rd at 90(thats one narrow gear ).....but i do know itll run 80 in 2nd, cause i accidentally put it in 2nd instead of drive one time and romped on it....this may require some field testing

do series 2'* perhaps have different shift points or something?
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Old 09-01-2004, 11:00 PM   #7
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You've got a different tranny I've got my gear ratios around here somewhere....
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Old 09-01-2004, 11:32 PM   #8
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oh i didnt realize you were answering his question, makes sense now, and i feel ignorant, i thought yo uwere saying you had the 3.06...which i thought sounded off but what do i know....3.06 is nice
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Old 09-01-2004, 11:39 PM   #9
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Quote:
Originally Posted by LittleHoov
oh i didnt realize you were answering his question, makes sense now, and i feel ignorant, i thought yo uwere saying you had the 3.06...which i thought sounded off but what do i know....3.06 is nice
I've got 3.06, It'* nice.

4T60-E

FWD 4-speed automatic with overdrive
204 lbs transaxle weight filled
Gear Ratios:
1st -- 2.921
2nd -- 1.568
3rd -- 1.000
4th -- 0.705
Rev -- 2.385
Final Drive Ratios: 2.84, 3.06, 3.33
Available Chain Ratios: 35/35, 37/33, 28/27, 33/37

Look at that... Reverse will go faster than first......
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Old 09-01-2004, 11:49 PM   #10
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Quote:
Look at that... Reverse will go faster than first...
thats odd, but i dont think ill ever be able to test it, cause goin that fast in reverse would be scary! and i already backed into one pole goin like 10-15...i better not try for another goin 30-40
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