Re: Dana for Handling/Protouring?
[Re: Pacnorthcuda]
#2035408
03/20/16 11:12 PM
03/20/16 11:12 PM
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Joined: Jan 2003
Posts: 27,551 So Cal
autoxcuda
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Posts: 27,551
So Cal
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Iirc, they were floater rears. So different rear bearings. Should be two for each side. NASCAR Mopars at the time used 8.75's but ran floaters. I'd have to look in the Petty catalog, but they should be completely different and larger bearings.
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Re: Dana for Handling/Protouring?
[Re: astjp2]
#2035585
03/21/16 09:35 AM
03/21/16 09:35 AM
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Joined: Sep 2003
Posts: 20,247 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 20,247
north of coder
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when i first inquired about the axle bearings that were in the dana for my humpback panel truck, i thought they had already been trashed because they were not a sealed bearing [open on the inboard side]. these came installed on the axles from strange, and the rear had never been run as it was a new , narrowed unit. the ends were the "big ford" bearing ends, i believe the od. is 3.150". anyway, i supplied the good doc with the part # on the bearings and several pics, and he told me those were for a 57 olds and they were the best a guy could get because they were open on the back side for using diff lube. however, they are not made any more or are very hard to obtain, i forget which. he told me at the time, which was at least 10 years or so ago. so, . i'll go with what he says and not worry about it. but my use is far from a serious cornering application.
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Re: Dana for Handling/Protouring?
[Re: challenger70]
#2035983
03/21/16 08:41 PM
03/21/16 08:41 PM
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Joined: Nov 2013
Posts: 29 Illinois/Tennessee
Murfman1967
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Joined: Nov 2013
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Illinois/Tennessee
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I'm seriously considering an Aluminum D-44 from a 98 Grand Cherokee. The Aluminum center section uses the same HD ring and Pinion that the Viper uses, and they seem to hold up well behind turbo'd and Supercharged V-10s. If it doesn't work I'll only be out the 100$ that Pull a part gets for the axle and my labor.
99 Ram 2500 QCSB V-10 Stepside 72 Magnum Marine 27' Twin 5.9 Magnums 70 A-100 Sportsman /6 67 Coronet R/T 440 66 Charger 470 53 Plymouth Suburban flathead T-5
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Re: Dana for Handling/Protouring?
[Re: Murfman1967]
#2036037
03/21/16 10:03 PM
03/21/16 10:03 PM
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Joined: Jan 2007
Posts: 7,664 IN
ahy
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master
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IN
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I would think the D44, like the 8.75, would hold up fine in a cornering application until you combine lots of HP, really sticky tires, a manual transmission and hard launches.
I don't know about fit, and impact on the driveshaft and angles... but you could get disk brakes for low cost that way. Otherwise, I would (and did) stick with the 8.75. It serves me well with ~590 HP and ~680 ft lb torque and manual transmission... with 200 TW tires. I'm just concerned If I switch to 50 TW tires, it will let go on hard launch.
My understanding, the D44's used in Vipers were heavily beefed with special alloy parts and much stronger than the SUV version. With 50 TW track tires or slicks, I would guess a hard launch would break a Viper D44 also. That's probably why Viper drag racers switch to a D60.
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Re: Dana for Handling/Protouring?
[Re: jcc]
#2036112
03/21/16 11:30 PM
03/21/16 11:30 PM
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Joined: Dec 2003
Posts: 23,276 Here
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 23,276
Here
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FWIW, a rather rare MW Alum 8.75, shown first with 3.55 R&P and billet yoke, changed out to a lighter 2.76 and alum small Mopar yoke. Its a Auburn, not sure why 20? years ago i went that route. Notice the thickness of the mounting flange, caused a few issues installing. The weight on the scale is shown.
" All sorts of things can happen when you are open to new Ideas" Inventor of Kevlar
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Re: Dana for Handling/Protouring?
[Re: ahy]
#2036607
03/22/16 05:41 PM
03/22/16 05:41 PM
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Joined: Nov 2013
Posts: 29 Illinois/Tennessee
Murfman1967
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I would think the D44, like the 8.75, would hold up fine in a cornering application until you combine lots of HP, really sticky tires, a manual transmission and hard launches.
I don't know about fit, and impact on the driveshaft and angles... but you could get disk brakes for low cost that way. Otherwise, I would (and did) stick with the 8.75. It serves me well with ~590 HP and ~680 ft lb torque and manual transmission... with 200 TW tires. I'm just concerned If I switch to 50 TW tires, it will let go on hard launch.
My understanding, the D44's used in Vipers were heavily beefed with special alloy parts and much stronger than the SUV version. With 50 TW track tires or slicks, I would guess a hard launch would break a Viper D44 also. That's probably why Viper drag racers switch to a D60. The aluminum D44 from the ZJ Grand Cherokee uses the same internals as the Viper D-44. The only time Viper guys ever seem to go away from the D-44 is when they ditch the IFS. There are 1200 HP Vipers using the stock D-44 rear axle. As for fitment it has the same 5 on 4.5" pattern and is 59.5" wide WMS to WMS so it is a perfect fit for my 70 Bird clone
99 Ram 2500 QCSB V-10 Stepside 72 Magnum Marine 27' Twin 5.9 Magnums 70 A-100 Sportsman /6 67 Coronet R/T 440 66 Charger 470 53 Plymouth Suburban flathead T-5
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Re: Dana for Handling/Protouring?
[Re: BigBlockMopar]
#2036656
03/22/16 06:55 PM
03/22/16 06:55 PM
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Joined: Nov 2007
Posts: 21,910 Kirkland, Washington
Pacnorthcuda
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Posts: 21,910
Kirkland, Washington
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What's the weight of a regular castiron 3rd member? I'm guessing around 90 lbs somewhere?
My 742 with power lock sure grip weighed 75lbs. I am guessing that the cone type grips are a couple pounds heavier than clutch, though no positive. The AL 3rd members don't save much. Why the threaded flange behind the yoke on the AL unit????
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Re: Dana for Handling/Protouring?
[Re: Pacnorthcuda]
#2036708
03/22/16 08:09 PM
03/22/16 08:09 PM
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Joined: Dec 2003
Posts: 23,276 Here
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 23,276
Here
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Not sure, my guess its either for a circle track J bar mount, or a flange for mounting a DS powered alternator or pump. The one pictured came out of a dragster.
" All sorts of things can happen when you are open to new Ideas" Inventor of Kevlar
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Re: Dana for Handling/Protouring?
[Re: challenger70]
#2036729
03/22/16 08:38 PM
03/22/16 08:38 PM
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Joined: Feb 2011
Posts: 4,302 Nebraska
72Swinger
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master
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Nebraska
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Thought the Vipers ended up with a "Super 44"?
Mopar to the bone!!!
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Re: Dana for Handling/Protouring?
[Re: 72Swinger]
#2038036
03/24/16 09:11 PM
03/24/16 09:11 PM
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Joined: Nov 2013
Posts: 29 Illinois/Tennessee
Murfman1967
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member
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Illinois/Tennessee
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Thought the Vipers ended up with a "Super 44"? They did, and the Grand Cherokees did too.
99 Ram 2500 QCSB V-10 Stepside 72 Magnum Marine 27' Twin 5.9 Magnums 70 A-100 Sportsman /6 67 Coronet R/T 440 66 Charger 470 53 Plymouth Suburban flathead T-5
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Re: Dana for Handling/Protouring?
[Re: Murfman1967]
#2041665
03/30/16 01:55 AM
03/30/16 01:55 AM
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Joined: Jan 2011
Posts: 4,785 Utah and Alaska
astjp2
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Utah and Alaska
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The aluminum dana 44 flexes too much, lots of them were junked in grocery getters I'm seriously considering an Aluminum D-44 from a 98 Grand Cherokee. The Aluminum center section uses the same HD ring and Pinion that the Viper uses, and they seem to hold up well behind turbo'd and Supercharged V-10s. If it doesn't work I'll only be out the 100$ that Pull a part gets for the axle and my labor.
1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta
I didn't do 4 years and 9 months of Graduate School to be called Mister!
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