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Old 09-17-2001, 11:17 PM   #11
Scooby Guru
Member#: 4021
Join Date: Feb 2001
Chapter/Region: NESIC
Location: Natick, MA USA
1999 Legacy GT Ltd
Quick Silver Metallic


Originally posted by remarcable
That wasn't a case of open diff vs limited slip diff... My 99 outback with open diffs easily climbs such hills. The volvo system just has problems.
remarcable -
you could clearly see the volvo digging a hole with the left front, whilst the left rear did nothing. Unless the right rear was also digging another hole (which I doubt), I suspect that the transfercase was effectively "open" (meaning the font axle could sit & spin, and the rear would get nothing).

The Viscous coupling setup with the manual Subarus (as you probably already know), will let a certain percentage of slip setup, before effectivily locking the front & rear axles. (Meaning you have in effect sometimes only 2 driving wheels.. but those wheels are each on a seperate axle. It looked to me like the Volvo only had 1 driving wheel).

Sorry if I didnt make that clear.
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