Then, I sit corrected!
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| 7 1/4 suregrip gear swap. https://slantsix.org/forum/viewtopic.php?t=17787 |
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| Author: | HyperValiant [ Mon May 29, 2006 10:36 am ] |
| Post subject: | 7 1/4 suregrip gear swap. |
I just recently recieved a free 7 1/4 sure grip with big bolt pattern from a 75 Dart Sport and am thinking that this would be a great rear for my 60 Valiant with a HyperPak and 4spd o/d trans but after i opened up the cover I found that there was only 2.76 gears and I would really like 3.55 or 3.91 gears. Are gear sets for the 7 1/4 hard to find or install and are the Suregrps from the 70's a good unit? I would like to also replace the axle bearings and seals ,do they make the Green bearings for the 7 1/4 or Im i stuck with the adjuster? Thanks for any help or enlightenment. HyperValiant |
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| Author: | SlantSixDan [ Mon May 29, 2006 10:57 am ] |
| Post subject: | Re: 7 1/4 suregrip gear swap. |
Quote: I would really like 3.55 or 3.91 gears. Are gear sets for the 7 1/4 hard to find
No. The 7¼" rear axle was used up through 1998 (base rear for Dakota pickups). P/N 4411 971, for example, is a brand-new 3.55 ring and pinion package. 3.91's weren't used in the late truck applications, but I'm pretty sure you could scare up a set of 3.91s for a 7¼" without too much effort.Quote: are the Suregrps from the 70's a good unit?
If in good condition, they're fine.Quote: I would like to also replace the axle bearings and seals ,do they make the Green bearings for the 7 1/4 or Im i stuck with the adjuster?
The Green-style bearings are not better! The factory-type bearings are the superior units, and the adjustor is a good thing, not a bad thing.
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| Author: | HyperValiant [ Mon May 29, 2006 11:17 am ] |
| Post subject: | |
Thanks Dan,so could i go to my local parts store or dealer and get a r-n-p for a 96 Dakota with an install kit and every thing be fine? I realize that the Green bearings are not as good but I had an adjuster that wouldnt stay adjusted on a an 8 3/4 once and it was a royal pain in the rear and at the time couldnt find a new adjuster and had the green bearings installed. Thanks Dan HyperValiant |
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| Author: | SlantSixDan [ Mon May 29, 2006 11:26 am ] |
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Quote: Thanks Dan,so could i go to my local parts store or dealer and get a r-n-p for a 96 Dakota with an install kit and every thing be fine?
Not a parts store, that is a dealer item. Quote: I realize that the Green bearings are not as good but I had an adjuster that wouldnt stay adjusted on a an 8 3/4 once
I had a slant-6 Valiant once that wouldn't start. That doesn't mean I decided to quit driving slant-6 Valiants. You had a faulty adjustor...OK, build up your rear axle with a non-faulty adjustor and you'll be A-OK.
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| Author: | CStryker [ Mon May 29, 2006 1:30 pm ] |
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Quote: Quote: Thanks Dan,so could i go to my local parts store or dealer and get a r-n-p for a 96 Dakota with an install kit and every thing be fine?
Not a parts store, that is a dealer item. |
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| Author: | SlantSixDan [ Mon May 29, 2006 2:25 pm ] |
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I'd be surprised if any of the aftermarketers bothers with 7¼" ring and pinion sets... |
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| Author: | Charrlie_S [ Mon May 29, 2006 2:42 pm ] |
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Quote: I'd be surprised if any of the aftermarketers bothers with 7#%188;" ring and pinion sets...
Randys R&P lists several 7 14 gear sets, including a 4.10.
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| Author: | SlantSixDan [ Mon May 29, 2006 2:48 pm ] |
| Post subject: | |
Then, I sit corrected!
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| Author: | HyperValiant [ Mon May 29, 2006 6:26 pm ] |
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I stopped by O'Reillys this afternoon and they can get a 3.91 for a 7 1/4 for $208 and a master install kit wiyh timken bearings for $80.Im gonna check with Randy's and see what he has got to offer.Thanks for all of the replys. Thanks HyperValiant |
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| Author: | mopar_nocar [ Mon May 29, 2006 9:18 pm ] |
| Post subject: | other sources |
http://www.differentials.com/ http://www.gearsrus.com/ i have done business with both of these companies and been satisfied with them. sb |
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| Author: | Doctor Dodge [ Mon May 29, 2006 10:58 pm ] |
| Post subject: | Re: 7 1/4 suregrip gear swap. |
Quote: Quote: Quote: are the Suregrps from the 70's a good unit?
If in good condition, they're fine.Quote: I would like to also replace the axle bearings and seals ,do they make the Green bearings for the 7 1/4 or Im i stuck with the adjuster?
The Green-style bearings are not better! The factory-type bearings are the superior units, and the adjustor is a good thing, not a bad thing.I thought that all 7 1/4's had ball bearing type axle bearings, not the adjustable (tapered roller) type bearing found in the 8 3/4. Check to see if there is an adjuster, I don't think it has one. DD |
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| Author: | HyperValiant [ Tue May 30, 2006 7:10 pm ] |
| Post subject: | |
Your probably right Doug,as Im not too familiar with the 7 1/4 axle but I will pull the axles tomorrow to find out. thanks HyperValiant |
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