RCV's in a D30? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 12 Old 09-21-2010, 03:06 PM Thread Starter
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RCV's in a D30?

Running 37" tires on D30 and have been looking for a reasonably priced D44 that I could build over time. No luck so far. So I am thinking about buying the RCV's for what I have. I guess my next weakest point is my R&P. How likely am I to break my R&P? and has anyone on here actually ever broken one? Stock motor, stock 3:73 gears (going to 5:13 as soon as I can). Pitch in boys, I know everybody has an oppinion.

I have a jeep and it goes over shit.
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post #2 of 12 Old 09-21-2010, 03:13 PM
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If that's the case, don't lock it. At most, your spider gears will take a shit before your R&P does. If you do lock it, with the tiny 5.13 gearset for the D30, it'll be the weakpoint. I'm on a Detroit locked D30 with 4.88s and 35s. But, I'm easy on the pedal.

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Quote:
Originally Posted by jester116th View Post
Confucius say "If you no want break axle, Drive with BIG head not LITTLE head"
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post #3 of 12 Old 09-21-2010, 03:15 PM
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All I can say is GRENADE! I've seen them done on the street but I wouldn't plan on wheeling it.
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post #4 of 12 Old 09-21-2010, 03:18 PM Thread Starter
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already locked. breaking stock axles like crazy.

I have a jeep and it goes over shit.
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post #5 of 12 Old 09-21-2010, 03:28 PM
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Take my advice, keep on breaking stock shafts. I break stock shafts a few times a year. Better than the R&P. There's your answer. Don't spend $1,000 on shafts and rip your R&P the first time out.

2008 JK X 2DR NSG370

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Quote:
Originally Posted by jester116th View Post
Confucius say "If you no want break axle, Drive with BIG head not LITTLE head"
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post #6 of 12 Old 09-21-2010, 04:45 PM
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Talking

Think of the shaft as a fuse that blows, saving the more expensive parts.

If you add up what you've spent on shafts, perhaps you would have more $ for a new axle/diff, etc...

Once the diff can handle more load, you can upgrade the shafts and u-joints, etc...to match, etc.

With all that snappin goin on though...keep a fuse in the drivetrain where it makes sense.

We used to use hub fuses for example....so we'd blow a cheap easy to swap out lock ring type thing instead of an expensive, hard to replace part....the trick is to get the "fuse" to be just a LITTLE weaker than the NEXT weakest part.


- TEEJ

2008 JK 4 Dr X. 5 Speed, LSD, JKS QD, 3.73 Diffs. Husky Liners and Daystar Hood Wranglers. Pine Stripes.
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post #7 of 12 Old 09-21-2010, 05:33 PM
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Holy shit, it's TEEJ ^. Haven't seen you around here in a long while.
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post #8 of 12 Old 09-21-2010, 06:16 PM
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I ran 37's on my TJ d30 which had a lot smaller ring and pinion and was low pinion and only ever broke ujoints...

i personally agree with everyone about just leaving the stockers. I say just carry a set of spares...

that being said, the D30 ring and pinion isn't THAT small. compare it to a TJ's or older styld D30... even the 5.13's i put in weren't that small compared to the TJ's.

31 jeeps in... still have issues
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post #9 of 12 Old 09-22-2010, 03:01 PM Thread Starter
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I blew 3 axles in 1 week. The first one I was spinning and bounced the front about 2 feet and snapped as soon as it came down. The other 2 I was creeping at full turn trying to climb a rock and broke them real easy. I think I will wait to find a D44 cause I would hate to have to spend $600 + to replace a R&P. And I refuse to go down a tire size.

I have a jeep and it goes over shit.
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post #10 of 12 Old 09-22-2010, 05:48 PM
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Well A) you shouldn't bounce the truck and B) you shouldn't be at full lock trying to get on an obstacle.

Reposition yourself if you have to.

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Quote:
Originally Posted by jester116th View Post
Confucius say "If you no want break axle, Drive with BIG head not LITTLE head"
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post #11 of 12 Old 09-23-2010, 02:48 AM Thread Starter
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a) some times shit happens
b) you try holding those 37's to keep them from turning with that pos steering pump
c) you shouldnt sas your elders boy

I have a jeep and it goes over shit.
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post #12 of 12 Old 09-23-2010, 04:18 AM
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Haha no disrespect, just be easy on her!! She does love a beating from time to time, but there's a fine line...

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Time to build the TONS!

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Quote:
Originally Posted by jester116th View Post
Confucius say "If you no want break axle, Drive with BIG head not LITTLE head"
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