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Old 05-30-2012, 11:41 AM   #1
68Stepbed
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72 3.07 posi rear

Last summer I put a 72 3.07 rearend with posi in my truck. I'm in the process of installing an LS1/700R4 combo and will be changing to 4.10 gears. At first, I was going to put gears in this rearend, but I'm thinking now that I may find another rear to build, and sell this one.

I need to see if there would be any interest in this rearend the way it is now. I also need to know what some of you may think it's worth.

I'm thinking somewhere in the $350 range. Am I close?
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Old 05-30-2012, 12:24 PM   #2
gcburdic
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Re: 72 3.07 posi rear

I think completely rebuilt with new seals, bearings, drums, etc...just bolt and go would be more like $450-$500
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Old 05-30-2012, 12:37 PM   #3
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Re: 72 3.07 posi rear

id take that rear from you for 350! but shipping would def kill the deal
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Old 05-30-2012, 04:03 PM   #4
68Stepbed
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Re: 72 3.07 posi rear

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id take that rear from you for 350! but shipping would def kill the deal
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For sure. It would have to be on a pallet and go freight. I have no idea what that would cost.
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Old 05-30-2012, 05:42 PM   #5
Clyde65
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Re: 72 3.07 posi rear

If it were me, I would just sell the posi, that would bring the $350 ish. the 3.07 can only go up to 3.73 in the 3series housing anyway. BTW, I think with your posi and a 3.73 you would be in great shape, not too much muscle and not too much economy
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Old 05-31-2012, 08:53 AM   #6
gcburdic
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Re: 72 3.07 posi rear

Clyde, I'm a rookie at this stuff, but doesn't he need a series 4 for 3.73? or did I read that he could order a "thicker" 3.73 to fit the series 3 carrier he has?
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Old 05-31-2012, 09:36 PM   #7
68Stepbed
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Re: 72 3.07 posi rear

Yes, Geoff. The 3.73 is a 4 series gear. And, yes, one can order thicker gears to fit into 3 series carriers. I actually ordered a 4.10 gear to fit into this rear I have, but my builder said I wouldn't be happy with the Richmond gear I had ordered. I also wasn't really to that stage, so I sent it back, and ordered some more stuff I needed now anyway.
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Old 05-31-2012, 10:00 PM   #8
gcburdic
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Re: 72 3.07 posi rear

10-4 Thanks Matt...this site and guys like you help educate me everyday...Thanks!!!
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