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Old 05-08-2013, 09:45 AM   #1
Hertzdaddy
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12-bolt posi and Richmond 3.73 gears

I have a factory 12bolt truck positraction carrier for sale. Its a 3-series unit, 18 disc solid steel clutches and 200lb (green) springs.







$300 plus shipping or $325 shipped anywhere in the lower 48.

I also have a like-new Richmond 3.73 ratio ring and pinion set. Its been installed (not by me) but never run that I can tell. Its their Excel series and is made for a 3-series carrier (Thicker ring.) Ring and pinion only. No bearings or crush sleeve.



$140 plus shipping or $160 shipped anywhere in the lower 48.

Both for $420 plus shipping or $465 shipped anywhere in the lower 48.
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Old 05-08-2013, 11:29 AM   #2
1970-Old_Betsy
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Re: 12-bolt posi and Richmond 3.73 gears

Sorry to hijack your thread here, but I picked up this rearend over the past weekend at a swap meet. Got 3:07s which is what I wanted, but no posi ( dang it). Would this be the correct unit for my set-up. I think I need a 3 series??

Thanks,
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Old 05-08-2013, 11:47 AM   #3
leddzepp
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Re: 12-bolt posi and Richmond 3.73 gears

Quote:
Originally Posted by 1970-Old_Betsy View Post
Sorry to hijack your thread here, but I picked up this rearend over the past weekend at a swap meet. Got 3:07s which is what I wanted, but no posi ( dang it). Would this be the correct unit for my set-up. I think I need a 3 series??

Thanks,
Yes.
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Old 05-10-2013, 09:00 PM   #4
1970-Old_Betsy
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Re: 12-bolt posi and Richmond 3.73 gears

Still interested in the posi unit, got another question. The rearend in photo above is a 6 lug. Is there spline issue with the axles. Sorry for all the questions.........
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Old 05-12-2013, 05:38 PM   #5
Hertzdaddy
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Re: 12-bolt posi and Richmond 3.73 gears

No difference in spline count between 6 and 5 lug. Both 30.
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Old 05-12-2013, 05:56 PM   #6
Fldawg
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Re: 12-bolt posi and Richmond 3.73 gears

is this a new unit or reman
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Old 05-12-2013, 07:25 PM   #7
BAT
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Re: 12-bolt posi and Richmond 3.73 gears

I'll take it!
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Old 05-15-2013, 07:53 AM   #8
Hertzdaddy
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Re: 12-bolt posi and Richmond 3.73 gears

Sold.
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