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Old 08-24-2009, 07:16 PM   #6
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


Originally Posted by chrisarella View Post
B. swap out the entire read end, including STI rear axles, STI hubs (5x114.5) and new wheels, and Brembo brakes.

I personally didn't upgrade the rear diff to the r180 because I love my wheels and tires (5x100) and have $3k worth of brake upgrades. Going with the r180 would mean having to get new wheels/tires, brakes, hubs, and the whole sha-bing, totally upwards of $4k when all is said and done.
You could have just stuck with '04 STI bits and not have to worry about swapping wheels and tires.

I just don't see how a new differential itself is really going to make that big a difference in the strength of the R160. The fact remains that it's a smaller diff using smaller gears that are more highly stressed than those in the R180.

Pat Olsen
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