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Post Info TOPIC: 3 Series 12 Bolt


Addicted!

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3 Series 12 Bolt


Have a professionally rebuilt 3 series 12 bolt posi unit that takes 30 spline axles
$450
Thanks in advance!!!
Keep on Cruising!
Dave



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Guru

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PM sent...

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Canadian Poncho Superstar!

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It's nice to see it likely going to a member. I had my finger on the trigger to be honest.



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


Canadian Poncho Superstar!

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cdnpont wrote:

It's nice to see it likely going to a member. I had my finger on the trigger to be honest.


 Mark, have you ever rebuilt one of these or had one apart to check?



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Canadian Poncho Superstar!

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I did one years ago Kevin. I put new bearings, clutches, springs and spider thrust washers in it. The spiders and shaft were good enough to reuse. I reused the Jesus bolt.

It was a bit of a MacGyver with clamps to get the spring plates in, but I did it. It's really quite a simple design.

The second time round for the 67 I just went and bought a new Eaton 3 series posi with the Carbon clutches, which is quite expensive now. Dave's 3 series is certainly a fair price in todays market.

460886467_e61c62aff1_k.jpg

 

 



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


Addicted!

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Posts: 368
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Still for sale-Bruce passed on it-
Keep on Cruising!!!
Dave

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Veteran Member

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Hello what's the gear ratio ?



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Canadian Poncho Superstar!

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This accepts gears on the 3's. I think 3.07 - 3.73 : 1.

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop
72 GMC Sierra

 

 



Addicted!

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Clint is correct anything from 3.07 to 3.73-whatever you want to install-I like 3:31 or 3:55 myself-I may have a set of original 3:31 gears for sale-I will know later this week as I am cleaning out a storage unit.
Keep on Cruising!
Dave

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Addicted!

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Item sold to a local guy-thanks for the interest!
Keep on Cruising!!!
Dave

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