Tranny Ratios & Gear Calculator - TCCoA Forums
 
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post #1 of 9 (permalink) Old 03-10-2004, 10:45 PM Thread Starter
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Tranny Ratios & Gear Calculator

I couldn't find any places on the site that had all the gear ratios for the various Ford transmissions, so I did some looking and found them elsewhere. I think this will be a valueable asset to board members when calculating rear end gear ratios vs. MPH.

'89-'93 M5R2 Gear Ratios:
1st Gear - 3.75
2nd Gear - 2.32
3rd Gear - 1.43
4th Gear - 1.00
5th Gear - 0.75

'94-'95 M5R2 Gear Ratios:
1st Gear - 3.42
2nd Gear - 2.16
3rd Gear - 1.34
4th Gear - 1.00
5th Gear - 0.75

4R70W Gear Ratios:
1st Gear - 2.84
2nd Gear - 1.55
3rd Gear - 1.00
4th Gear - 0.70

AOD/AODE Gear Ratios:
1st Gear - 2.40
2nd Gear - 1.47
3rd Gear - 1.00
4th Gear - 0.67

Ford C4 Gear Ratios:
1st Gear - 2.46
2nd Gear - 1.46
3rd Gear - 1.00

Ford C6 Gear Ratios:
1st Gear - 2.40
2nd Gear - 1.47
3rd Gear - 1.00
4th Gear - 0.67

Ford T5 Gear Ratios:
1st Gear - 3.35
2nd Gear - 1.94
3rd Gear - 1.34
4th Gear - 1.00
5th Gear - 0.63

Excellent Online Calculator: Gear Calculator

Thomas

1989 Cougar XR7 - 13.21 @ 102.29 -SOLD-
1993 Thunderbird SC -Awaiting Suspension-
1994 Mark VIII - 14.85 @ 93.95 -SOLD-
1996 Thunderbird Sport 15.57 @ 89.42 -Retired @ 258k-
1997 Thunderbird LX AED -SOLD-
1997 Thunderbird Sport 15.71 @ 86.89 -SOLD-
1997 Mark VIII LSC 12.97 @ 112.15 -SOLD-

Last edited by Thomas A; 03-10-2004 at 11:51 PM.
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post #2 of 9 (permalink) Old 03-10-2004, 11:06 PM
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The 4R70W first gear is 2.85 and I believe 2nd is 1.70 (I can't remember that one) and overdrive is .70. Good info from what I saw though.

Russell

JL's chassis braces, ST springs w/ 1 coil cut in rear (27.2" F 28" R), Airlift airbags (5 psi), Bilstein shocks, Cobra brakes F & R, ROH RT 17x9s, 255/285s Khumo Ecsta MX tires, 2.5" dual exhaust w/borla mufflers, 1 3/8 f & r bars, remote filter,subframe buildup, Al differential bushings, J-modded '02 tranny, 9.5" DD stall, 30K Hayden cooler, PI intake, 02 GT MAF, XCal 2

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post #3 of 9 (permalink) Old 03-10-2004, 11:19 PM
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I'm sorry it is 2.84 first gear, 1.55 second gear, and then .7 overdrive.

here is a link to the info (about midway down the page) Gear ratio


Russell

JL's chassis braces, ST springs w/ 1 coil cut in rear (27.2" F 28" R), Airlift airbags (5 psi), Bilstein shocks, Cobra brakes F & R, ROH RT 17x9s, 255/285s Khumo Ecsta MX tires, 2.5" dual exhaust w/borla mufflers, 1 3/8 f & r bars, remote filter,subframe buildup, Al differential bushings, J-modded '02 tranny, 9.5" DD stall, 30K Hayden cooler, PI intake, 02 GT MAF, XCal 2

Want to talk/hangout with MN12 owners from GA? Go here.
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post #4 of 9 (permalink) Old 03-10-2004, 11:24 PM Thread Starter
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Isn't that for the wide ratio upgrade kit, or am I reading something wrong? Thanks.

Thomas

1989 Cougar XR7 - 13.21 @ 102.29 -SOLD-
1993 Thunderbird SC -Awaiting Suspension-
1994 Mark VIII - 14.85 @ 93.95 -SOLD-
1996 Thunderbird Sport 15.57 @ 89.42 -Retired @ 258k-
1997 Thunderbird LX AED -SOLD-
1997 Thunderbird Sport 15.71 @ 86.89 -SOLD-
1997 Mark VIII LSC 12.97 @ 112.15 -SOLD-
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post #5 of 9 (permalink) Old 03-10-2004, 11:29 PM
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The 4R70W has the wide ratio kit. That is what the W stands for.


Russell

JL's chassis braces, ST springs w/ 1 coil cut in rear (27.2" F 28" R), Airlift airbags (5 psi), Bilstein shocks, Cobra brakes F & R, ROH RT 17x9s, 255/285s Khumo Ecsta MX tires, 2.5" dual exhaust w/borla mufflers, 1 3/8 f & r bars, remote filter,subframe buildup, Al differential bushings, J-modded '02 tranny, 9.5" DD stall, 30K Hayden cooler, PI intake, 02 GT MAF, XCal 2

Want to talk/hangout with MN12 owners from GA? Go here.
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post #6 of 9 (permalink) Old 03-10-2004, 11:38 PM Thread Starter
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aaahh..... okay, that makes sense. Then what would the "standard 4r70w ratios be reffereing to? Thanks.

Thomas

1989 Cougar XR7 - 13.21 @ 102.29 -SOLD-
1993 Thunderbird SC -Awaiting Suspension-
1994 Mark VIII - 14.85 @ 93.95 -SOLD-
1996 Thunderbird Sport 15.57 @ 89.42 -Retired @ 258k-
1997 Thunderbird LX AED -SOLD-
1997 Thunderbird Sport 15.71 @ 86.89 -SOLD-
1997 Mark VIII LSC 12.97 @ 112.15 -SOLD-
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post #7 of 9 (permalink) Old 03-10-2004, 11:43 PM
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This gear-set is standard in the 4R70W (AOD-EW) transmission and is the item that distinguishes a 4R70W from an AOD-E unit. The ratios of the wide ratio gear-set compare to the standard AOD and AOD-E ratios as shown in the table at left.

with the exception of the 1994-95 Thunderbird, 1994-95 F and E series trucks and the 1993-95 Lincoln Mark VIII which already have the wide-ratio 4R70W gear-set (thus the parts source for Ford Motorsport’s wide-ratio kit). Starting with the 1996 model year, standard ratio AOD-E transmissions are no longer manufactured and only 4R70W wide ratio transmissions are produced.

This may help out.


Russell

JL's chassis braces, ST springs w/ 1 coil cut in rear (27.2" F 28" R), Airlift airbags (5 psi), Bilstein shocks, Cobra brakes F & R, ROH RT 17x9s, 255/285s Khumo Ecsta MX tires, 2.5" dual exhaust w/borla mufflers, 1 3/8 f & r bars, remote filter,subframe buildup, Al differential bushings, J-modded '02 tranny, 9.5" DD stall, 30K Hayden cooler, PI intake, 02 GT MAF, XCal 2

Want to talk/hangout with MN12 owners from GA? Go here.
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post #8 of 9 (permalink) Old 03-10-2004, 11:50 PM Thread Starter
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Thank you, that makes sense. I will update the info!

Thomas

1989 Cougar XR7 - 13.21 @ 102.29 -SOLD-
1993 Thunderbird SC -Awaiting Suspension-
1994 Mark VIII - 14.85 @ 93.95 -SOLD-
1996 Thunderbird Sport 15.57 @ 89.42 -Retired @ 258k-
1997 Thunderbird LX AED -SOLD-
1997 Thunderbird Sport 15.71 @ 86.89 -SOLD-
1997 Mark VIII LSC 12.97 @ 112.15 -SOLD-
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post #9 of 9 (permalink) Old 03-10-2004, 11:56 PM
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Cool. No problem man.


Russell

JL's chassis braces, ST springs w/ 1 coil cut in rear (27.2" F 28" R), Airlift airbags (5 psi), Bilstein shocks, Cobra brakes F & R, ROH RT 17x9s, 255/285s Khumo Ecsta MX tires, 2.5" dual exhaust w/borla mufflers, 1 3/8 f & r bars, remote filter,subframe buildup, Al differential bushings, J-modded '02 tranny, 9.5" DD stall, 30K Hayden cooler, PI intake, 02 GT MAF, XCal 2

Want to talk/hangout with MN12 owners from GA? Go here.
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