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General ChatChat about all things Blazer (and related vehicles). Off-topic stuff should be in the lounge, and all mechanical problems should be posted in the proper forum.
I know this sounds stupid but is there any speed restrictions on 4x4 high? I plan on using this to drive on the highway this winter. I figure 4x4 low is just for really slow speeds.
Not really provided conditions warrant using 4wd. The drivetrain can bind up when turning even just a bit in 4HI on clear roads. Overtime, it will cause wear & tear on the parts.