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 Post subject: What's the 07 XT Diff ratio?
PostPosted: Sat Jan 16, 2016 2:46 am 
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I Say: Mission: Kill the CEL
Vehicle: MY07 XT Silver

Posts: 474
Location: Sydney, Australia
Hi all,

I've searched Hi & Low, read stickied posts, but can't seem to find out what the standard diff is on an O7 XT.
I found lots of details for 6 speed swaps, but it didn't really say what standard is. I'm guessing it's 4.11, but can anyone confirm for me?

Why? Mine is making noises and I've found a potential replacement. It's a 3.54:1
Is it any good to me? Or someone else? The price is pretty good. ;)

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sat Jan 16, 2016 7:50 am 
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Vehicle: 2007 XT

Posts: 929
Location: South Oz
Auto is 4.111

Manual is 4.444
It will have the CF code painted on the top of the diff housing.


If in doubt Google your transmission code from your compliance plate in the engine bay.

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sat Jan 16, 2016 1:18 pm 
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I Say: Mission: Kill the CEL
Vehicle: MY07 XT Silver

Posts: 474
Location: Sydney, Australia
Thanks! It's even shorter than I thought.

My speedo reads well over (shows 110 when GPS says 100). I wonder if the speedo is from an Automatic or if Subaru only ever had 1 speedo gear regardless of diff ratio.
100kph / 4.11 x 4.44 = 108. which is about what I see.

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Fri Apr 14, 2017 8:41 pm 
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I Say: Mum, when I grow up, I want to be a pilot! Sorry son, you can't do both!! :D
Vehicle: MY05 XT Luxury AT, white

Posts: 1808
Location: Wynnum West, QLD
99STi wrote:
Auto is 4.111

Manual is 4.444
It will have the CF code painted on the top of the diff housing.


If in doubt Google your transmission code from your compliance plate in the engine bay.


Umm, other way around (auto vs manual).

If in doubt, refer to factory service manual. Read the labels on your transmission / diff:

Image

Image

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sun Apr 16, 2017 9:50 pm 
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Vehicle: 2007 XT Forester

Posts: 32
Location: newcastle
Grahama wrote:
My speedo reads well over (shows 110 when GPS says 100)


Sorry to hijack, but I would like to know what's going on with this? My car also does this and have often wondered if the previous owner had been running 20's or something

EDIT: Just to add, this would also suggest that the km's travelled on odometer is incorrect?

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sun Apr 16, 2017 10:41 pm 
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Vehicle: 2007 XT

Posts: 929
Location: South Oz
craig747400 wrote:
99STi wrote:
Auto is 4.111

Manual is 4.444
It will have the CF code painted on the top of the diff housing.


If in doubt Google your transmission code from your compliance plate in the engine bay.


Umm, other way around (auto vs manual).

If in doubt, refer to factory service manual. Read the labels on your transmission / diff.


Are you sure?
Is your reference data for an early SG?

The OP was asking about 07 SG diff ratios (late SG) not early SG ratios.

Manual is 4.444
Auto is 4.111

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sun Apr 16, 2017 10:43 pm 
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I Say: Mum, when I grow up, I want to be a pilot! Sorry son, you can't do both!! :D
Vehicle: MY05 XT Luxury AT, white

Posts: 1808
Location: Wynnum West, QLD
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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sun Apr 16, 2017 10:47 pm 
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Vehicle: 2007 XT

Posts: 929
Location: South Oz
craig747400 wrote:
Image


Where is that info taken from?
Definitely not correct for the Australian delivered late SG XT.

My manual XT has a 4.444 and when researching others were the same. The autos had 4.111.

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sun Apr 16, 2017 10:50 pm 
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I Say: Car mods are like OddBodz, you got to collect them all! -------------------------------------
Vehicle: MY05 STi swapped sled

Posts: 17168
Location: Spearwood Perth WA
craig747400 wrote:
Image

Pretty sure this is incorrect. I remember SF and SG turbo manual as being tripple 4s. And autos as 4.11s

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 Post subject: Re: What's the 07 XT Diff ratio?
PostPosted: Sun Apr 16, 2017 10:53 pm 
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Vehicle: 2007 XT

Posts: 929
Location: South Oz
Bram wrote:
craig747400 wrote:
Image

Pretty sure this is incorrect. I remember SF and SG turbo manual as being tripple 4s. And autos as 4.11s


I had your old 4.444 diff fitted to my car for a while Bram.
I now have another 4.444 in there. :thumbs:

Both those diffs plus the original diff were 'CF' code.

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Last edited by 99STi on Sun Apr 16, 2017 10:54 pm, edited 1 time in total.

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