Just some interseting information about ratios in various transmissions - LS1TECH

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Just some interseting information about ratios in various transmissions

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Old 01-15-2007, 09:30 PM   #1
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Default Just some interesting information about ratios in various transmissions

TRANSMISSION 1ST 2ND 3RD 4TH 5TH 6TH

Borg-Warner T-5 (GM Applications) 2.95 1.94 1.34 1.00 0.63
Borg-Warner T-5 (GM Close Ratio) 2.75 1.94 1.34 1.00 0.74
Borg-Warner T-10 2nd Design 2.64 1.61 1.23 1.00 n/a
Borg-Warner T-10 2nd Design 2.88 1.74 1.33 1.00 n/a
Borg-Warner T-10 2nd Design 3.44 2.28 1.46 1.00 n/a
GM Muncie (M-21, M-22) 2.20 1.64 1.28 1.00 n/a
GM Muncie (M-20) 2.52 1.88 1.46 1.00 n/a
M28: 3.36 2.07 1.35 1.00 0.80 0.62
GM Powerglide 1.76 1.00 n/a n/a n/a
GM Turbo Hydra-Matic 350 2.52 1.52 1.00 n/a n/a
GM Turbo Hydra-Matic 400 2.48 1.48 1.00 n/a n/a
GM Turbo Hydra-Matic 200-R4 2.74 1.57 1.00 0.67 n/a
GM Turbo Hydra-Matic 700-R4 3.06 1.62 1.00 0.70 n/a
GM Turbo Hydra-Matic 4L60E 3.06 1.62 1.00 0.70 n/a
GM Turbo Hydra-Matic 4L80E 2.48 1.48 1.00 0.75 n/a
T56 Close Ratio (LS1, LT1, Viper) 2.66 1.78 1.30 1.00 0.74 0.50
T56 Wide Ratio (Mustang) 2.97 2.07 1.43 1.00 0.80 0.62
FORD AOD and AODE 2.40 1.47 1.00 0.67 n/a n/a
FORD 4R70W 2.84 1.55 1.00 O.70 n/a n/a
SUPER T-10C 2.43 1.61 1.23 1.00 n/a
super T-10W 2.64 1.75 1.33 1.00 n/a

Last edited by performabuilt; 01-17-2007 at 09:56 AM.
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Old 01-15-2007, 09:34 PM   #2
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So the first gear is lower in the th350 than the 4L60E?
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Old 01-15-2007, 09:43 PM   #3
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Quote:
Originally Posted by juicedls1
So the first gear is lower in the th350 than the 4L60E?
No,
TH350=2.52
4L60e=3.06

No T56?
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Old 01-15-2007, 10:19 PM   #4
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that was all i found listed ,
and of note a higher number means a lower gear ,
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Old 01-16-2007, 07:28 AM   #5
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this is why the 4L60e launches so well. that huge first gear. its also why you dont need big gears in your auto!
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Old 01-16-2007, 09:51 AM   #6
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Add this one to your list up there...

GM Turbo Hydra-Matic 4L80E 2.48 1.48 1.00 0.75 n/a
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Old 01-16-2007, 09:55 AM   #7
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And these also...

T56 Close Ratio (LS1, LT1, Viper) 2.66 1.78 1.30 1.00 0.74 0.50
T56 Wide Ratio (Mustang) 2.97 2.07 1.43 1.00 0.80 0.62
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Old 01-16-2007, 10:00 AM   #8
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added to original list
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Old 01-16-2007, 08:19 PM   #9
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There were Super T-10's in the early to late 1970's with gear ratios of
2.43 1.61 1.23 1.00 Close ratio
2.64 1.75 1.33 1.00 Wide ratio
both were excellent for street & drag racing.
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Old 01-16-2007, 08:37 PM   #10
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