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Old 11-29-2010, 08:40 PM   #1
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Took my Jeep to Rausch Creek this weekend

I have a bone stock 2010 Rubi 2 Door. It was my first time taking her offroad, and in fact my first offroad experience ever.

I went to a guided ride at Rausch Creek. Our group had about 8 vehicles, some modified and some stock. We stuck to the green trails but I still found them to be challenging.

Here are my impressions of the Jeep:

1) Wow. This thing handles like a battle tank on a serious mission. I was very impressed with how the Jeep handled the rough terrain, even in spots where some of the modified vehicles struggled.

2) 4 Lo feels very different from what I expected. The engine revs like crazy, which makes sense after I thought about it and drove for a while. The Jeep is able to creep along at very slow speeds while generating enough power to overcome difficult obstacles. Amazingly the engine never comes close to stalling even without using the clutch. It descends steep, rocky hills with complete control.

3) The axle lock kicks ass. I was able to get through a couple of deep uphill ruts with no problem at all once I engaged the axle locks. I tried going up one rut without locking the axles and the wheels were spinning. Once locked, the Jeep climbed through with ease.

4) Wow. This thing handles like a battle tank. Oh wait, I said that already. But I kept thinking that while going through the terrain.

5) A few people told me after my first offroad experience I would start thinking about what mods to make. Honestly I was blown away by the performance as it is, so I am not planning any mods for now. I'd rather spend my money on getting more offroad driving experience.

Here are a few short videos from the weekend:






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Old 11-29-2010, 08:58 PM   #2
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Very nice!!! Looks like you had fun!

I did the same guided ride back in March....tons of fun!!

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Old 11-29-2010, 09:38 PM   #3
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I'd rather spend my money on getting more offroad driving experience.
This is one of the smartest decisions you can make right now as someone who just started offroading. As you go on, you may decide you need a little help in a certain area and may decide to mod, but you will gain a lot of experience by just getting out and having fun.
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Old 11-29-2010, 09:44 PM   #4
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^ x100
As you learn the skills the Jeep will "tell" you what mods you need and they will conform to the terrain you want to wheel in. People rent bone stock Rubi's in Moad UT everyday and do most of the trails without a problem.
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Old 11-29-2010, 10:11 PM   #5
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Looking at your last video you might want to be careful when combining water + speed. Jeeps have been known to hydrolock rather easily! Glad ya had fun!
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Old 11-29-2010, 10:16 PM   #6
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Looks like you had a good first ride.
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Old 11-29-2010, 10:21 PM   #7
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Alot of fun thats some nice country!
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Old 11-29-2010, 10:28 PM   #8
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Yeah since I'm just starting out I think more experience would be much more valuable than throwing money into mods.

Good point about the potential hydrolocking. I'll have to keep that in mind next time. What is the general rule of thumb for water crossing? Does that water look too deep, or should I just go slower next time?
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Old 11-29-2010, 10:33 PM   #9
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Looking at your last video you might want to be careful when combining water + speed. Jeeps have been known to hydrolock rather easily! Glad ya had fun!
I drove through that exact 'puddle' and had the front of my Jeep engulfed in water! Had to turn on my wipers so I could see my way out!
I guess I'm lucky I didnt lock....!?
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Old 11-29-2010, 10:40 PM   #10
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Yeah since I'm just starting out I think more experience would be much more valuable than throwing money into mods.

Good point about the potential hydrolocking. I'll have to keep that in mind next time. What is the general rule of thumb for water crossing? Does that water look too deep, or should I just go slower next time?
If you go slow the water won't get into your intake. open the hood and take a look where it is. Slower and less water flys up and around
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Old 11-29-2010, 10:43 PM   #11
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Thanks for the tip. I'll keep it slower next time. I kinda wanted to get the Jeep all muddy though so I gave it some gas through the puddle.

Btw, what's the best way to clean the engine? It's full of mud now. Should I just hose it down?
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Old 11-29-2010, 11:19 PM   #12
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definitely slow when going through water. Absolutely no need to go fast, your Jeep can get through it slowly and you won't make a $3,000 error in judgment.
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Old 11-29-2010, 11:49 PM   #13
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2) 4 Lo feels very different from what I expected. The engine revs like crazy, which makes sense after I thought about it and drove for a while. The Jeep is able to creep along at very slow speeds while generating enough power to overcome difficult obstacles. Amazingly the engine never comes close to stalling even without using the clutch. It descends steep, rocky hills with complete control.
You can practically stand on the brake in 4Lo without using the clutch and you won't stall.
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Old 11-29-2010, 11:52 PM   #14
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Btw is there any easy fix for preventing hydro locking ?
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Old 11-29-2010, 11:53 PM   #15
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Yeah I noticed that! The crawling speed in 4lo is very impressive.

Where is the power band in 4lo? Is it at the higher revs? I was trying to keep the rpms around 3k.

When I first put it in 4lo I thought maybe I had not engaged it properly since the engine was reving so much. Almost feels like the clutch is slipping when you press on the gas since the revs go up so high. But I take it this is normal and just the way it is geared.
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Old 11-29-2010, 11:57 PM   #16
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Yeah I noticed that! The crawling speed in 4lo is very impressive.

Where is the power band in 4lo? Is it at the higher revs? I was trying to keep the rpms around 3k.

When I first put it in 4lo I thought maybe I had not engaged it properly since the engine was reving so much. Almost feels like the clutch is slipping when you press on the gas since the revs go up so high. But I take it this is normal and just the way it is geared.
if I'm right the power band is always the same . It is according to the engine rpms, nothing later in the drive train effects it. But its safe to say you should not have to worry about lacking power/torque in 4 lo

Alot of the time I just let the jeep crawl along with out using the gas pedal (idle speed) saves gas and its easier lol
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Old 11-30-2010, 12:00 AM   #17
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You can practically stand on the brake in 4Lo without using the clutch and you won't stall.
Tom, I actually did this to check it out. First gear, steep incline crawling up and I literally stood on the brake...didn't even phase it. RPMs didn't budge off of idle. Anybody who has trouble holding a standard JK on a hill in 4 low has got to be doing something really bad in the coordination department. OMG
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Old 11-30-2010, 12:13 AM   #18
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That feature on the JK is very little known, but it evens the playing field for rock crawling with an automatic even if JIMBOX won't admit it.
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Old 11-30-2010, 12:14 AM   #19
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Btw is there any easy fix for preventing hydro locking ?
Keep the water out of the intake. There is no reason to tear through water. Take it slow. You really should avoid water crossings unless they are necessary. There are too many parts that don't go well with water.
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Old 11-30-2010, 12:15 AM   #20
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Interesting. I'll have to try stepping on the brake next time.

So the very high revs in 4lo are normal? That really threw me off at first.
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Old 11-30-2010, 12:16 AM   #21
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Interesting. I'll have to try stepping on the brake next time.

So the very high revs in 4lo are normal? That really threw me off at first.
Yes I'd you find yourself shifting into 3rd gear then you're probably on a part of the trail thats doesn't require 4 lo. Just trying to say there's no ned to use 4th 5th gears in 4 lo
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Old 11-30-2010, 12:21 AM   #22
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Thanks for all the answers to my newbie questions. Can't wait to go offroading again!
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Old 11-30-2010, 12:26 AM   #23
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Interesting. I'll have to try stepping on the brake next time.

So the very high revs in 4lo are normal? That really threw me off at first.
High revs is a relative thing. Select a gear that allows you to move along at lower revs if she sounds like she is screaming. In 4 low it is easy...skipping gears is no issue in low either. The other thing that was a bit of a surprise as well is the gear mesh is a little more critical in low. More important to let the revs come down a little before going into the next gear or you will feel a few teeth slip past as it goes into gear. It just requires a little of coordination between gas, clutch, and shift hand....or you can keep doing that and maybe have to replace the synchros early? Not sure if that would be the case but seems reasonable.
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Old 11-30-2010, 12:26 AM   #24
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Yes I'd you find yourself shifting into 3rd gear then you're probably on a part of the trail thats doesn't require 4 lo. Just trying to say there's no ned to use 4th 5th gears in 4 lo
Max speed should never exceed 25 MPH in 4 Lo.
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Old 11-30-2010, 12:30 AM   #25
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Yes I'd you find yourself shifting into 3rd gear then you're probably on a part of the trail thats doesn't require 4 lo. Just trying to say there's no ned to use 4th 5th gears in 4 lo
I use 5th and 6th between obstacles sometimes...beats shifting out of 4 low just to get back into it a little down the trail.
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Old 11-30-2010, 12:33 AM   #26
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I did shift into 3rd and 4th gear a few times while in 4lo. But even in 4th gear, I was only going maybe 10 or 12 mph. It didn't seem like I could get up to 25mph in 4lo even if I wanted to.
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Old 11-30-2010, 12:34 AM   #27
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High revs is a relative thing. Select a gear that allows you to move along at lower revs if she sounds like she is screaming. In 4 low it is easy...skipping gears is no issue in low either. The other thing that was a bit of a surprise as well is the gear mesh is a little more critical in low. More important to let the revs come down a little before going into the next gear or you will feel a few teeth slip past as it goes into gear. It just requires a little of coordination between gas, clutch, and shift hand....or you can keep doing that am maybe have to replace the synchros early? Not sure if that would be the case but seems reasonable.
Thats right if I'm correct at highway speed when you shift you've got so little torque that you can basically drive like a noob and its quite smooth. The huge forces involved when 4000 pounds is going that fast will make the engine adjust (rpms shooting up/speedometer keep maintaining same speed) while in 4 lo at very low speeds and with such high torque the engines torque makes your jeep adjust its speed if you drive like a noob. (jerking forwards/backwards) probably more then you wanted to know lol

In all I "think" syncros are going to get raped more easily at high way speeds I'd your e driving badly. But I'm probably wrong har har
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Old 11-30-2010, 12:35 AM   #28
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Yeah I noticed that! The crawling speed in 4lo is very impressive.

Where is the power band in 4lo? Is it at the higher revs? I was trying to keep the rpms around 3k.

When I first put it in 4lo I thought maybe I had not engaged it properly since the engine was reving so much. Almost feels like the clutch is slipping when you press on the gas since the revs go up so high. But I take it this is normal and just the way it is geared.
Thats because you have 4.10 gears and a 4:1 transfer case, made for crawling.
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Old 11-30-2010, 12:36 AM   #29
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Try 6th on some flat gravel. You'll see its usefulness. Then while on the trail, you'll just know what to do when you see flat gravel surface for a long distance.
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Old 11-30-2010, 12:48 AM   #30
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Thats right if I'm correct at highway speed when you shift you've got so little torque that you can basically drive like a noob and its quite smooth. The huge forces involved when 4000 pounds is going that fast will make the engine adjust (rpms shooting up/speedometer keep maintaining same speed) while in 4 lo at very low speeds and with such high torque the engines torque makes your jeep adjust its speed if you drive like a noob. (jerking forwards/backwards) probably more then you wanted to know lol

In all I "think" syncros are going to get raped more easily at high way speeds I'd your e driving badly. But I'm probably wrong har har
Lol, when I first started to drive a standard I had a lot of whiplash! Good grief...then I figured out how to slip the clutch a little to prevent that from happening. Any time you go from coasting to acceleration in low expect a pretty good jerk if you get right on the gas and the back and forth jerking can occur when your whole body gets thrown to and fro causing you to actually increase the effect (known as positive feedback oscillation) and usually the best way out of that is the the clutch.

Regarding syncros, they wear the most when the difference in gear speeds as you shift is greatest and will cause the syncros to work harder to equalize the gears speed so they can mesh. My guess (without actually calculating it) is that in 4 low this must be accentuated. Especially when you skip gears. I'm just going from what the stick feels like when you shift it from one gear to another.

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