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Old 04-28-2013, 10:13 PM   #1
Fierysun
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Default 4eat & 5eat ratios and diff ratios?

Does anyone have a list of the 4eat & 5eat ratios as well as diff ratios for the different usdm models from the last 15 or so years?
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Old 04-30-2013, 07:23 PM   #2
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Anyone?
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Old 04-30-2013, 11:18 PM   #3
OrbitalEllipses
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From the threads of note sticky.... http://forums.nasioc.com/forums/showthread.php?t=181343

As close as you're getting to a complete list that's only a few clicks away.
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Old 05-01-2013, 03:27 AM   #4
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Originally Posted by OrbitalEllipses View Post
From the threads of note sticky.... http://forums.nasioc.com/forums/showthread.php?t=181343

As close as you're getting to a complete list that's only a few clicks away.
I've seen that thread, it's incomplete and doesnt' specify the rear diff, but only final drive. Which is different, because it's doesn't show which trannies are 1.1:1 center diff and which are not, so you have no idea what the rear diff actually is.
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Old 05-01-2013, 10:20 AM   #5
FuJi K
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What final drive are you searching for? What tranny specific?
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Old 05-02-2013, 04:31 PM   #6
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Originally Posted by FuJi K View Post
What final drive are you searching for? What tranny specific?
4eat from 02-07 WRX and 04-08 Forester XT.
5eat from 04-08 Legacy and Outback XT
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Old 05-02-2013, 05:30 PM   #7
FuJi K
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Quote:
Originally Posted by Fierysun

4eat from 02-07 WRX and 04-08 Forester XT.
5eat from 04-08 Legacy and Outback XT
4.111FD - '02-05 WRX auto
3.900FD - '06/07 WRX auto
4.444FD - '04/05 FXT auto
4.111FD - '06-08 FXT auto
3.272FD - '05/06 LGT auto
3.083FD - '07-09 LGT auto
3.583FD - '05/06 OBXT auto
3.272FD - '07-09 OBXT auto


www.cars101.com
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Old 05-02-2013, 05:38 PM   #8
Fierysun
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Quote:
Originally Posted by FuJi K View Post
4.111FD - '02-05 WRX auto
3.900FD - '06/07 WRX auto
4.444FD - '04/05 FXT auto
4.111FD - '06-08 FXT auto
3.272FD - '05/06 LGT auto
3.083FD - '07-09 LGT auto
3.583FD - '05/06 OBXT auto
3.272FD - '07-09 OBXT auto


www.cars101.com
Do any of those have a 1.1:1 CF which would then have a different rear diff ratio than the FD#? Thx
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Old 05-02-2013, 05:53 PM   #9
FuJi K
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They do not. Only 5spd WRX '02-05 and '06-current STi 6spd have the 1.1:1
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Old 02-04-2019, 02:44 PM   #10
Darthmikey9180
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Default Usdm?

Quote:
Originally Posted by FuJi K View Post
4.111FD - '02-05 WRX auto
3.900FD - '06/07 WRX auto
4.444FD - '04/05 FXT auto
4.111FD - '06-08 FXT auto
3.272FD - '05/06 LGT auto
3.083FD - '07-09 LGT auto
3.583FD - '05/06 OBXT auto
3.272FD - '07-09 OBXT auto


www.cars101.com
Just wanted to confirm that these were usdm numbers. I can't seem to find the usdm 07 lgt info anywhere.
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