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Old 09-28-2012, 10:43 AM   #1
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Observation...4cyl, 4:10's and 33's

I am sure this has probably been discussed many times, but now that I have had 33's for a few days, I want to discuss it. LOL

So I ran 31's for a year on the 4cyl with the stock 4:10's. They were fine, but often what I experienced in High Range was that it felt like there was a gap between the gears (mostly on hills or slight inclines) where 3rd was reved to high (above the power band) and 4th was boggy (below the power band). Sometimes had the same problem between 2nd and 3rd on steeper stuff.

My fear in going to 33's that the problem was going to get worse, but it appears that 33's have bridged that gearing gap. I find that instead of having that point when I feel like I need to grab forth when I had 31's, I can stay in 3rd with 33's and stay in the motor's powerband.

So aside from the 5th being useless and having to feather's the clutch a little more in 1st too get the Jeep rolling, I am going to say that 33's, 4:10's and the 4cyl work pretty well together. 4.88 gears are coming in the future to get my 5th gear usable again, but I am happy that I went with 33's.

Any of you think I have gone looney? lol

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Old 09-28-2012, 11:54 AM   #2
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I hope your gears come sooner than later. I couldn't imagine running 33's on my stock gears.

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Old 09-28-2012, 12:15 PM   #3
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I have little complaints with 32s right now and plan on going to 33s when this set wears out. Im hoping to avoid regearing going up just one inch. Stock 4cyl.
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Old 09-28-2012, 01:04 PM   #4
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I'd say the way you have to feather the clutch alone is reason to get to 4.88's. No way would I want to do that on a regular basis.

I put 4.88's on my 2.5L when I went to 33's and was very happy I did.
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Old 09-28-2012, 01:12 PM   #5
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I hope your gears come sooner than later. I couldn't imagine running 33's on my stock gears.
I am just not going to spend money on the d35. I will get the 8.8 first and then regear to 4.88 with a locker.
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Old 09-29-2012, 08:41 PM   #6
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I daily drove mine with 33's and the 4:10s for a while, totally understand what you mean between 3rd and 4th gear when going up steeper inclines but its by no means as bad as people make it out to be.
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Old 09-29-2012, 10:24 PM   #7
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Originally Posted by Dextreme

I am just not going to spend money on the d35. I will get the 8.8 first and then regear to 4.88 with a locker.
I'm at that point in time. I got my d35 screw up I guess my pinion is out I'm running 33's with my stock d35 n I gues that's why dint last long before I get the bad news on my d35. But I got a 8.8 on my shop with limited slip it just got to re gear it since is a 3.73 ratio.
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Old 09-30-2012, 12:12 AM   #8
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I am just not going to spend money on the d35. I will get the 8.8 first and then regear to 4.88 with a locker.
The D35 is actually a decent axle (minus the C-clips) up to 33" tires. Once you go to 35" tires, the D35 weaknesses shine. The 8.8 is a better axle and a good swap, but it adds considerable weight (from memory, may be off, about 160 pounds). Running 35's, no brainer. However, if planning on staying with 33's, a D35 should be fine.

Just my opinion.

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