Ford and Mopar Aluminum R/E Cases??

[Mark Faul]

Originally Posted by Chris DeGidio

The ONLY reason I can think that they are doing this for is to prevent the Mopar racers from using the V-10 Drag Pak unit in older cars,as it has a production 9" "aftermarket" rear end.Just a thought.

But to me I don't see the advantage of disallowing any aluminum OE style center section in stock,there is no performance gain.

I'm no chassis guy, but doesn't using an aluminum center reduce unsprung weight? Seems like a performance gain to me...