Thread: What's required to convert a WRX from 3.9 to 4.444 final drive ratios?
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Old 13-05-2010, 07:49 AM
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Well things have progressed with this project so it's time for an update.

After I priced new gears from Subaru I was wheeled off to recover.

Front Crown & Pinion $835
Rear Crown & Pinion $1045
Drop Gear $880
Speedo adapter $???
Sub total $2760 + ?

So I picked up an 8 Bolt 5 speed JDM WRX/STi V5-6 4.44 gearbox and Suretrac rear LSD with a rhs drive shaft for $1580 delivered. The donor parts will be swapped out then on sold to recoup costs.

A 12kg center diff has also found it's way into the build specs. Can anyone tell me what parts I need to fit this? Apparently they only fit into the pre 99 housings?

I have been looking into clutches and flywheels and will probably settle on a KSU23006XHD Extreme Clutch 1250Kg clamp with organic plate and machine back my already lightened OEM flywheel.

I am off to Wakefield soon and could well need more parts...
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