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  #31  
Old 03-19-2016, 12:26 PM
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WILMASBOYL78 WILMASBOYL78 is offline
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Default Re: 1970 Camaro Rear..

I'll check the casting date...good idea.

wilma
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  #32  
Old 03-19-2016, 03:14 PM
Mr.Nickey Nova Mr.Nickey Nova is offline
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Default Re: 1970 Camaro Rear..

Chevrolet By The Numbers shows (COW) under 70 Camaros as a 3.55 and (COX) as a posi 3.55. So, I'm sure this rear was used in both the Camaro and Firebird line. Looks like starting in 71 they went with 2 digit codes.
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  #33  
Old 03-19-2016, 04:34 PM
marxjunk marxjunk is offline
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Default Re: 1970 Camaro Rear..

[quote=marxjunk]
on Pontiacs..71 and 72 A-bodys got 12 bolts automatically weather D-port or round.../quote]

i was trying to say 455s got the 12 bolt automatically
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  #34  
Old 03-19-2016, 09:42 PM
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Default Re: 1970 Camaro Rear..

Got some more info on the 12 bolt...

casting number is 3969341NF

casting date is C 8 0....March 8, 1970

wilma
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  #35  
Old 03-20-2016, 03:14 PM
Mr.Nickey Nova Mr.Nickey Nova is offline
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Default Re: 1970 Camaro Rear..

Tom, check and see if any of your 70 Novas have the same cast number.
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  #36  
Old 03-20-2016, 07:58 PM
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Default Re: 1970 Camaro Rear..

My 70 Nova L78 cars both have the same casting number as the one I listed. The center section is the same for Nova and the Camaro...difference is in the width of the complete housing...Nova is one inch shorter. 55 1/4 vs. 55 1/4...spring perch locations are also a little wider on the Camaro...and the axles are longer.

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  #37  
Old 03-20-2016, 11:50 PM
Mr.Nickey Nova Mr.Nickey Nova is offline
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Default Re: 1970 Camaro Rear..

Thanks Tom!! My L34 has the same cast number also. I was curious if they did share the same center section.
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