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post #6 of (permalink) Old 02-04-2007, 02:04 AM
RacerX
 
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Quote:
Originally Posted by courier1
I have driven in 4High at 70mph on compact snow on the highways here in canada going slower would be dificult I was wondering what the limits were ect. Thanks and also once my truck was stuck in 4h for 800 miles on semy dry and servived high speeds (those darn relays)
I have no shift into 4wd on the fly in my trucks. But I have driven hwy speeds on snow in 4wd Hi. The snow allows for wheel slip, and differant wheel speeds for turning. I wouldn't do that on dry pavement however. Another factor is most trucks don't have locking diffs in the front axle. With a locker in the rear and 4wd, 3 wheels are actually driven. That allows the other front wheel to act independently.
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