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Old 10-19-2007, 11:26 AM   #3
Patrick Olsen
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Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
1997 Legacy 2.5GT
1996 Impreza coupe


The speedo gear is in the tranny, so my guess is that you'd want to use the JDM sizing. That assumes, of course, that the JDM speedo gear is different than the USDM speedo gear to account for the ~3% difference in tire size.
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