Compression Ignition Addict
Join Date: Aug 2007
Location: New Martinsville, West Virginia
Thanked 54 Times in 52 Posts
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It's a value judgement on each driver's part...
In a perfect world, with all parts in good condition, no binding will occure with hubs locked in, but transfercase in 2wd. As parts wear out, vibrations will increase, and unlocking the hubs will decrease wear and tear on parts that will add to vibrations.
I run mine unlocked most of the time, but am not shy about leaving them locked in for a few days when the weather is bad, and haveing to stop, get out, lock in the hubs, get back in, go, is a hassle... but dry weather, summer, they are unlocked unless needed.
My take on things is this... if you do lock in the hubs, and notice issues, vibrations, rummbles, etc, then you need to repair something, and should run unlocked unless needed. Otherwise, you should be ok, aside from lower MPG...
'99 E350 DRW Stahl 11' util box van, 7.3 PSD, stock. 138k SOLD
'00 F350 extcab, 9' utility bed, dually 228k
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E'99 F250 extcab, S/Bed 211k. Sidelined due to motor issues.
'00 Excursion Limited, 7.3PSD 294k
'84 Chevy K-30, 6.2L TD, woods/trail beater. 141k