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Old 04-27-2011, 04:49 PM
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Swapping Rear Ends

Hi everyone,

i'm currently working on my 72 nova with a 8.5", 10 bolt, open dif and 3.08 ratio rear end. I have the opportunity to pick up a complete 7.5" from a friend with posi and 3.73s for next to nothing. What i was curious about is are the drum brakes on the two axles the same? The 7.5 is out of a 79 el camino. If the 7.5 wasnt 4 hours away i would just look for myself but right now thats not really an option. Any help would be great, thanks!

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Old 04-27-2011, 04:52 PM
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Not sure but i wouldn't doubt they would work, But why not keep the 8.5 and add some new gears the 8.5 is a pretty strong rearend i wouldn't swap it for a 7.5 .



Cole
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Old 04-27-2011, 05:07 PM
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ya i considered that and if it were simply gears i would just add them to the 8.5...but posi is not cheap to come by these days
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Old 04-27-2011, 07:47 PM
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Either way you need to hang on to the 8.5 IMHO.



Cole
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Old 04-27-2011, 08:27 PM
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well it won't be going anywhere other than in the corner of the garage...so in the future if theres more money laying around it might find a way back into the car. i mean the whole differential can be in and out in a couple of hours so its not a big deal
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Old 04-28-2011, 10:25 AM
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The Drums should fit but, the ElCo rear uses a 4-Link suspension & Coil Springs. The Nova uses Leaf Spring suspension, so it wont be a bolt in deal.
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Old 04-28-2011, 12:52 PM
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Quote:
Originally Posted by SSedan64
The Drums should fit but, the ElCo rear uses a 4-Link suspension & Coil Springs. The Nova uses Leaf Spring suspension, so it wont be a bolt in deal.
Oh good one SS i forgot about that. definitly not a bolt in deal.


Cole
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Old 04-28-2011, 07:51 PM
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ya ive already accounted that...ive got a friend who does high performance chassis fabrication who will make every thing fit for free
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