Quote:
Originally Posted by Mister Two
Both the my99 and my98 WRX have the same ratio rear diff (3.54)
But the my98 uses different rear driveshafts. One of the shafts has a double spline on it that inserts into the Viscous coupling.
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So does that mean if they use their current MY98 driveshafts on the MY99 diff it will be okay or not?