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Cant find d30 4.56:1 diff

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Old Jun 28, 2011 | 03:59 AM
  #1  
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Default Cant find d30 4.56:1 diff

Help,
More of a Euro Jeeper thing this, been sent rear diff, but no front, everybody says not available anymore, no stock etc.
Anybody driving Diesel auto, 4 door on 35" tyres, roofrack, 3.21:1 stock, gone to 4.11:1 diffs, and found it drives ok, as i think 4.88:1 will be to low for 60/40 road off road driving.
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Old Jun 28, 2011 | 10:18 AM
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No we have the 545RFE box, same as the Grand Cherry, 5 speed, with overdrive off, it is drivable, but almost to low geared.
Just cant believe they sent one without the other.
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Old Jun 28, 2011 | 10:32 AM
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Originally Posted by longshank
Help,
More of a Euro Jeeper thing this, been sent rear diff, but no front, everybody says not available anymore, no stock etc.
Anybody driving Diesel auto, 4 door on 35" tyres, roofrack, 3.21:1 stock, gone to 4.11:1 diffs, and found it drives ok, as i think 4.88:1 will be to low for 60/40 road off road driving.
The carrier break on Dana 30s is 3.54 down, 3.73 up. These open diffs might be hard to find new but used diffs are readily available (at least in the US). Aftermarket new 3.73 and up diffs (ARB etc) are very easy to find.
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Old Jul 16, 2011 | 04:43 AM
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ARB was the easy bit, cant get the ring and pinion.
Its one of those, perhaps i shouldnt have bothered and just bought a Dyno D44 front.
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Old Jul 16, 2011 | 09:14 AM
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Interesting. That is the only part I'm waiting for as well. I better drop a line to 4WD HW and see what the wait is from superior. I've got a nice box full of Trutracs, D44 4.56 R&P, riddler diff covers, lube lockers, and bearing kits sitting in my garage waiting to be installed.

From what I understood superior is still making them but the demand mustn't be as high.

I decided on the 4.56s over the 4.88s mainly due to the fact that I want to be able to hit the highway to get down on some of these rubicon trail and Moab runs.
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