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'91 745 NA with a locking diff? 700 1991

posted by  CW on  Wed Dec 10 15:00 CST 2003
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last visit: Tue Feb 5 13:37 CST 2008
[RELATED]

Hi everyone,

Is it possible that my '91 745 NA (B230F) has a locking rear diff? I took the sticker off the axle and attempted to read, but could not. My 745T has the factory locker (as it should according to the FAQ) which works great, but I'm not driving it this winter, I'm driving the NA which I bought this summer. There is snow on the ground here now (Nova Scotia, Canada) and I drove the 745 NA up my driveway today and purposely gave it too much throttle to see which wheel(s) would spin. Every time they were both on snow, they both spun for as long as I applied throttle. So it seems that it has a locking diff. The rear axle assembly *appears* to be original, so I'm assuming whatever it has is original, but I suppose it is possible that the original has been replaced with a locker. Anyway, I was just wondering if it's possible that it's stock (Maybe Canada only or something?....) One more thing, that might help: The engine in the NA revs higher then the turbo on the hwy. The turbo does about 2500 RPM at 100 kph (~62 mph), but at that speed the NA revs closer to 2700 or 2800. Thanks in advance for any responses :)
--
Chris. Halifax N.S. '91 745Ti, 287K km and '91 745 NA, 359K km.






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