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Old 06-30-2015, 02:48 PM
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Possible YJ Purchase, Gearing question

I'm looking at buying a 92 4.0 5spd that looks in great shape for a good price. Talking to the seller about it, he seemed surprised that I was planning on driving it from his place back to mine, approx 2 hours, was worried that it would make the trip.
Seems its geared with a 2.73 in the rear, and terrible on the highway. I don't understand this.. I would have thought that a 2.73 would make it a complete dog off the line, but then be pretty OK on the highway. Do I have something mistaken or backwards?

Also, 4.0 5spd YJs that are not either a rusty pile OR crazy priced are hens teeth around here (Ohio). I narrowly missed one last week when a guy contacted me when we were on the way to his house with a confirmed appointment that he sold it. So if this YJ is good and the gearing is something I'm just misunderstanding, I'd still want to pick it up.

Thoughts?

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Old 06-30-2015, 02:55 PM   #2
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I seriously doubt that it has 2.73 gears in it. I suppose it is possible, but why would someone even do that?

A 4.0L with a manual trans should have 3.07's in it stock.

As far as you way of thinking about the gears, you are correct. It would be sluggish coming out of the gate, but should get great gas mileage after you get it rolling. The only problem you will encounter with gearing like that is if you encounter anything bigger than an anthill, you will be downshifting...a lot.

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Old 06-30-2015, 03:03 PM
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Originally Posted by 0III0forlife View Post
I seriously doubt that it has 2.73 gears in it. I suppose it is possible, but why would someone even do that?

A 4.0L with a manual trans should have 3.07's in it stock.

As far as you way of thinking about the gears, you are correct. It would be sluggish coming out of the gate, but should get great gas mileage after you get it rolling. The only problem you will encounter with gearing like that is if you encounter anything bigger than an anthill, you will be downshifting...a lot.
Ok, thanks. I'm glad I'm not misunderstanding things.
I'm HOPING its a typo and he meant 3.73s, at which point things would make more sense, first being more granny/crawling gear, and it being pretty wrung out on the highway. If that IS the case (I'm trying to confirm), on stock size wheels/tires, how bad would a trip on the highway be?

One of our plans was to, shortly after our YJ purchase and health checks, to drive from here, up Pikes Peak, maybe see the Grand Canyon and back in the thing. If geared out like low (numerically high) would this be a nightmare of an idea? Should I skip it and look elsewhere? I've never driven anything non-stock geared.
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Old 06-30-2015, 04:38 PM   #4
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3.73 with stock tires would be fine on a 2 hr trip. if you plan on going with bigger tires it would be perfect for 31".
I'd be more worried something else is wrong if hes nervous about a 2 hr trip.
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