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Old 02-26-2010, 11:57 PM   #2221
Oz 330
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Join Date: May 2006
Location: Perth, Australia
Posts: 1,399
My Ride: 2004 DYII M3 Vert
wouldnt that make your fuel economy worse ben ?

I remmember when i swapped the diff in my SS ute it got much worse ?

I get about 12.4 in mine with 80% city driving , though I dont hammer it all the time and its an SMG so im guessing you would get a bit better in the manual
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