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post #1 of 7 (permalink) Old 04-10-2018, 12:54 PM Thread Starter
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Rear axle alternative?

Hey guys,

I need to replace the bearings in my rear axle and was thinking about adding an aftermarket G2 axle cover. I am concerned about whether the 8.25 can handle the added power of engine upgrades. Is there a beefier axle that can be swapped in and still work with the Quadradrive II electronic controls?
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post #2 of 7 (permalink) Old 04-10-2018, 02:45 PM
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I believe you are running the same axle used in the SRT.... How much more power are you looking to add?

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post #3 of 7 (permalink) Old 04-10-2018, 03:39 PM
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Quote:
Originally Posted by thance View Post
I believe you are running the same axle used in the SRT.... How much more power are you looking to add?
It's not the same axle, the SRT runs a Dana 44. I'm not sure if that axle would play well with QDII.

2006 XK Limited, Hemi, QDII
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Ported/Polished Throttle Body
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post #4 of 7 (permalink) Old 04-10-2018, 04:52 PM Thread Starter
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Join Date: Aug 2017
Location: Edmonton, Alberta Canada
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Model year: 2006
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Power-Train: 5.7L V-8 Hemi
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If 4WD - system: QD-II
Current Mileage: 142,000 km
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My ultimate goal is a 392 stroker kit or factory 392 short block along with ported heads, the heddman shorties I have, srt8 cherokee cats and one of the catback exhaust kit along with the Comp 502 cam I already have. I also have the BBK 85mm installed along with the AFE cold air kit and a Diablo T1000 tuner. From builds I have seen, it should be 175-200 hp.

I have see the 8.25 being run behind 440 big blocks in older race cars but I know they rate it behind the Dana 44 that comes in the Grand Cherokees
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post #5 of 7 (permalink) Old 04-10-2018, 05:16 PM
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Join Date: Jun 2013
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Power-Train: 5.7L V-8 Hemi
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From what I've heard, the 8.25 is strong enough to handle that kind of power. I've heard of people running over 500 ft lbs through it on drag slicks without it breaking.

2006 XK Limited, Hemi, QDII
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Ported/Polished Throttle Body
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post #6 of 7 (permalink) Old 04-15-2018, 12:41 AM Thread Starter
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Join Date: Aug 2017
Location: Edmonton, Alberta Canada
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Model year: 2006
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Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
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I got the full replacement bearing and race set and ordered the G2 diff cover with the load bolts. I am also looking to see if ARP has a bearing cap stud kit.
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post #7 of 7 (permalink) Old 04-15-2018, 02:08 AM Thread Starter
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Join Date: Aug 2017
Location: Edmonton, Alberta Canada
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Model year: 2006
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 142,000 km
Posts: 371
Anyone happen to know the specs for the carrier bearing cap bolts? Size, thread and UHL.
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