3.73 with a 33 inch tire and the very high (low numerically) overdrive gears in the automatic may struggle or hunt gears at highway speeds. Also, off road with the 2.72 transfer case it may not be low enough to crawl well. With the manual none of this is a problem as you can pick your gear on the highway and it has the crawler gear for off road so 3.73 is fine. The auto has a 4.71 first gear which is pretty low so it might be OK. Sometimes with and al a carte locker they are offered with lower (higher numerically 4.27 or 4.46) gears which would be good with an auto.Are you saying 3.73 gears might struggle with the 33's without any other mods or struggle with the rear locker with 33's?
Any insight is appreciative because I don't know any of this mechanical stuff.
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