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#13
12-11-2025, 02:08 PM
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Quote:
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles 
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#14
12-11-2025, 02:10 PM
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12 Bolt...
That is the casting number for the 12 bolt center section....68-69 Nova and Camaro
The posi designation is in the stamp on the tube...there will be an E below the gear ratio and date. the E stands for Eaton Posi...of course, you should always look inside to confirm what is in there.
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro
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#15
12-11-2025, 02:15 PM
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12 bolt...
Mike...
One more thing...should have clarified...the BT code actually designates the posi from the factory...the E indicates the supplier of the unit. If you look at Colvin's book you will see a listing for all the possible codes and applications. Tom
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro
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big gear head (12-11-2025) | ||
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#16
12-12-2025, 12:01 PM
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12 bolt pictures
dding a couple pictures of the 12 bolt think I have the date but it’s hard to read.Also getting the leaf springs and traction bars .$1700 . What do you think
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#17
12-12-2025, 02:59 PM
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Looks like 09(?)- 24-8 for the cast date and 09-27 for assembly date. ( Thought cast date should have letter for month ).
Great for an early car ! $1700 is a great deal if it’s a working complete rear . Jmho Last edited by iluv69s; 12-12-2025 at 03:04 PM.
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#18
12-12-2025, 03:29 PM
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Seller needs to be willing to pull the rear cover so you can see what is actually in there.... assembly build codes guarantee nothing after all these years and with a non original cover, there could anything, including trashed components, in there.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles
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#19
Today, 01:57 PM
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13 bolt
I picked up the 12 bolt it’s in nice shape not all pitted up . The casting date is I so it goes along with the September BT stamp.Thanks for the help
I am looking at Lakewood traction bars the kind with J Bolts and they extend in back with another clamp.I am trying to verify they are Camaro/nova . I will post some pictures. Can anyone tell me anything about the leaf springs pictured? 5 leaf? GM or aftermarket? Last edited by Mike L78; Today at 02:00 PM.
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