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#1
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wrx trans compatibality?
Just finished putting an 04 WRX five speed in my 92 and have a question on the rear diff.
I remember researching it a while back and found that the final ratio to the 04 wrx trans and the factory svx rear diff are the same and I can leave the diff in the car. Can anyone share their knowledge to if this is true or not? Thanks in advance. |
#2
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Re: wrx trans compatibality?
That is correct. The SVX and the 04 5mt WRX both use a 3.54 rear diff. With the WRX 5mt your final drive is now 3.9 because of the center diff. The 5mt uses a 3.9 front diff with a 1.1:1 center diff which allows it to match the 3.54 rear diff correctly. Rock on.
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#3
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Re: wrx trans compatibality?
Thank you for the help.
How ever I am now becoming more confused unfortunetly. I took apart one of the factory SVX rear diffs that I have and did the math and its a 37:9 which brings it to a 4.11 final gear ratio. |
#4
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Re: wrx trans compatibality?
You must have one that has been converted to 4.44
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2007 GS 450h-Active Stabilizer/Radar cruise 1994 L Blue 3.70 VTD ASE Master Automobile ASE Advanced Level Specialist Toyota Master Diagnostic Technician (former life) |
#5
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Re: wrx trans compatibality?
It's very possible the car had a different transmission put in and was not a stock SVX transmission.
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#6
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Re: wrx trans compatibality?
How does that make any sense if he has a 4.11 rear diff?
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#7
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Re: wrx trans compatibality?
40:9=4.44
37:9=4.11 39:10=3.90 39:11=3.545
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www.svxfiles.com The first SuperCharged SVX, the first 4.44 gears, the first equal length headers, the first phenolic spacers, the first Class Glass fiberglass hood, the first with 4, 4.44s in his driveway Fiberglass Hood thread My locker 4.44 Swap link |
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