This is a discussion on Rear axle within the Drivetrain forums, part of the LSx Technical Help Section category; In % efficiency...to get a little more technical. The 12 bolt is 3% less efficient than the 10 bolt...and the ...
05-02-2011, 06:42 PM #21
In % efficiency...to get a little more technical.
The 12 bolt is 3% less efficient than the 10 bolt...and the 9" is 3% less efficient than the 12 bolt. So that makes the 9" 6% less efficient over stock all-in-all.
At least this is what I read in a magazine once
I don't know how the Dana sizes up, but it would be even more than 6%.
05-03-2011, 03:13 AM #22
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05-04-2011, 02:04 PM #23
Once upon a time, Car Craft or Hot Rod one did a really good write up comparison of the 3 different rear ends. I couldn't find it now but did find this pretty informative article on 9" and 12 bolt http://www.carcraft.com/techarticles...ord/index.html
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