Quote:
Originally posted by ajackson
From what I have read, the 4wd technology has come a long way. The 946 c4 is much different than a 996 c4.
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You are correct, but in the way you might find surprizing.
964 C4 has much more advanced 4WD than 996 C4.
While 996 C4 has just visco-fluid coupling between front and rear axle, 964 C4 has intricate electro-hydraulic system that's loosely based on 959 one.
It was subsequently replaced by cheaper visco-coupling for mainenance and cost reasons.