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Old 01-27-2014, 08:40 PM   #1
05WRXdriver
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Join Date: Dec 2012
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Location: Oklahoma
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2005 WRX Wagon
Silver

Default 5 speed conversion with 4eat rear differential?

I am in the middle of an 03 sedan 5 speed conversion into my 2005 WRX wagon and when I bought the parts I didn't take into consideration the wider track. I am curious if anyone could tell me the possible damage of using my 4eat rear differential for the next 3 weeks until I can afford to buy the rest of the rear sedan parts?
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Old 01-28-2014, 08:08 PM   #2
Hondaslayer
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What are the differential ratios? If the ratios are the same then no worries. If different, well, how much do you like replacing driveline parts?
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Old 01-28-2014, 08:58 PM   #3
05WRXdriver
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I am not 100% positive on the ratio's but I have decided not to chance it and just wait it out. Thank you
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Old 01-28-2014, 10:29 PM   #4
All4bSpinnin
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problem Traction?

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shoulda kept it auto... auto's hold boost between gears man!

I would say to match the proper rear diff to trans
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Old 01-28-2014, 10:43 PM   #5
05WRXdriver
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Location: Oklahoma
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2005 WRX Wagon
Silver

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I'm a fan of standards. I hate the throttle response the auto has and with a standard I feel much more in tune with the vehical. I have the proper rear diff I just didn't take into consideration the fact that my sedan axles are longer then my wagon axles so they don't fit in my rear lateral links and the 4eat axles don't fit the mt diff. Every problem will be sorted out in a month. I was just trying to find a way to drive my wrx until then.
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Old 01-30-2014, 06:02 PM   #6
Patrick Olsen
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QuickSilver Metallic

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Quote:
Originally Posted by 05WRXdriver View Post
...the 4eat axles don't fit the mt diff.
That doesn't make much sense. They're both R160s, they should be the same. What is different about the axles?
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Old 01-31-2014, 04:26 PM   #7
Hondaslayer
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1998 Forester, lifted.

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03 to 05 is the difference, not MT to AT

Innies vs Outies.
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Old 02-15-2014, 11:38 AM   #8
05WRXdriver
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2005 WRX Wagon
Silver

Default

I got the info I needed. Thank you. Feel free to close this.
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