Rear axle swap - Team Camaro Tech
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post #1 of 14 (permalink) Old Feb 23rd, 00, 02:14 PM Thread Starter
 
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Question

I have a 67 camaro with a 10 bolt non-posi 2.73 rear-end. My ? is, is there any doner car that I can get with a 12 bolt posi 3.73 rear-end with multi-leaf suspention that will bolt on or without difficult mods?

I also want a 700R4 is there a car that I can get both from maybe newer like 88-92?

Thanks in advance for any advice.


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post #2 of 14 (permalink) Old Feb 23rd, 00, 03:24 PM
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I believe GM stopped putting 12 bolts in cars in the early seventies.

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68SS ZZ4, 4sp T-10, 12 bolt, getting painted

78Z28, 330hp vortec, TH350, 10 bolt (just finished)
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post #3 of 14 (permalink) Old Feb 23rd, 00, 03:25 PM
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12 bolt rear ends were only made from '65 to '72. The only ones with multi leaf springs that will fit your car are the '68/'69 camaro rears. The '67 camaros all had mono leafs. Can't help you with the 700R4.
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post #4 of 14 (permalink) Old Feb 23rd, 00, 03:29 PM
 
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what about birds, did they come with 12's
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post #5 of 14 (permalink) Old Feb 23rd, 00, 04:05 PM
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i think so, but pontiac was different. I'm pretty sure of this cause my uncle has both
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post #6 of 14 (permalink) Old Feb 23rd, 00, 05:49 PM
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Nova's from 68-70 could come with 12 bolts (SS's inparticular), maybe even 71 or 72. Good luck finding any 12 bolt, they are very hard to find.

Steve R.
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post #7 of 14 (permalink) Old Feb 24th, 00, 04:58 AM
 
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67-69 camaros,68 through (72-74 10 bolt) novas will fit.I believe the nova rear is a little narrower but only by an 1". Don't quote me on the size.

Ray

8.5"10 bolts ars stronger than people give them credit.


[This message has been edited by BIGBADBOWTIE (edited 02-24-2000).]
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post #8 of 14 (permalink) Old Feb 24th, 00, 05:42 AM
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don't overlook the late model 8.5" 10 bolts. They're almost as strong as a 12 bolt, plentiful, cheap, and more likely to have posi. Take a tape measure and shop the junkyards. It doesn't cost much to have spring perches welded on, so just look for the correct width.



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post #9 of 14 (permalink) Old Feb 24th, 00, 05:42 AM
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don't overlook the late model 8.5" 10 bolts. They're almost as strong as a 12 bolt, plentiful, cheap, and more likely to have posi. Take a tape measure and shop the junkyards. It doesn't cost much to have spring perches welded on, so just look for the correct width.



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post #10 of 14 (permalink) Old Feb 24th, 00, 04:31 PM
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Sorry, forgot about the nova rears.
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post #11 of 14 (permalink) Old Feb 25th, 00, 08:21 AM Thread Starter
 
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Thanks everyone. one more ?. Can I just change the insides of my diff. so that its a posi with 3.73s?

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post #12 of 14 (permalink) Old Feb 25th, 00, 08:39 AM
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Yes.

Steve R.
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post #13 of 14 (permalink) Old Feb 25th, 00, 10:26 AM
 
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I have the same lousy rearend in my 68 camaro. What all would be needed to change the guts to make it a 3:73 posi?
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post #14 of 14 (permalink) Old Feb 25th, 00, 04:55 PM
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You would need to get a posi carrier and the gears you want. I think Eaton and someone else makes carriers. While you are in there you might as well replace all the bearings and seals. The best thing to do would be find a competent rear end shop and discuss with them what you want.

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