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Discussion Starter · #1 · (Edited)
I've done a ton of reading on what exactly I should do regarding the rear end on my 70 monte.
it has a 350 and 350 turbo and 10 bolt 2.70 gears, open.

Based upon how I drive the car, I'm looking at 3.70's or so for new gear ratio and some kind of posi traction of course.

beyond that, there are just too many choices.
keeping cost down is a factor
http://www.chevyhiperformance.com/techarticles/48518_posi_10_bolt_upgrade_install/index.html

I read articles like that and wonder
 

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Decent article about the 8.5" rear, but you have an 8.2" rear. There is an 8.5" housing used in mid '71 and '72 Chevelles but it is hard to find because they were still also using the 8.2" depending on what plant was building the car and what their inventory was. This rarer 8.5" is hard to find but it will bolt in to your Monte. Study up on how to tell them apart in the wrecking yard.
 
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