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9" Ford
12Bolt GM
Dana 60
What did you pick and why?
Ease of install?
Efficiency?
Weight?
Price?
Design?
I see a lot of people going with the 9" and losing a lot of power to efficiency.
But taking advantage of the weight and flexibility of that platform.
I'd like to hear what others think of the options.
One of the magazines did a test againts all three, think it was car craft. The 9" was only down about 4hp, that is mostly an old wives tale. Also, if you put aftermarket brakes on the 9", it is within x pounds of a 12 bolt or dana 60. But, if you go with the aluminum center, it is actually lighter than either.
Depending on what you have, the moser m9 is awesome. Since it comes with its own tq arm and everything, it is expensive, put the quality is unsurpassed.
Strange 12 Bolt. Why? Because I got it for $1300.
Moser 12 bolt with their custom cast nodular center section. Way stronger than a stock 9" housing (and some aftermarkets!), and stronger than a Dana 60. $1700 with 33spline axles and the billet yoke for the large spicer joints.
9 inch, it will take anything I can put to it, I know to many guys that broke moser 12 bolts, off of trans brakes and 6000 RPM clutch drops, I need something that will handle my trans brake and this will do it.
http://www.streetlethal.net/moser/IMG_0380.JPG
http://www.streetlethal.net/moser/IMG_0398.JPG
http://www.streetlethal.net/moser/IMG_0400.JPG
http://www.streetlethal.net/moser/IMG_0411.JPG
But were they the new nodular center sections? Moser makes their own, they don't use GM sections. They haven't been on out that long. The mounting ears on the G-body sets are almost twice as thick than stock 12 bolts, just as an example.
the people that I know that broke the 12 bolts broke the ring gears.
Then it was the fault of the gear set manufacturer OR caused by case deflection (which the new center sections prevent). Moser doesn't make ring and pinions.
I just know my buddies has been through 20+ derbies, where his car gets drilled at 50mph regularly. Often to the point where a full size crown vic is about the size of a civic when he's done. The only thing he reuses is the 408 and the moser rear end. It once got drilled so hard sideways it damn near shot out the other side of the car. Still straight and working fine. I know others make great rear ends, don't get me wrong. but, his sold me on Moser.
I am going to say a moser 9inch just from hearing alot of breaking stories on the 12 bolts. I will be getting a 9 inch soon so i can finally hit the strip.
The 12 bolt is a great rear if you don't have a ton of power and launch if hard, if you do however with the way our suspensions are designed with a tq arm you will develope gear noise due to case deflexion.The S60 is the same way its crasy strong just isn't that great for tq arm cars.In conclusion the moser 9inch is the only logical choice for our cars imho.