
10-04-2007, 01:05 AM
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CC Member
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Join Date: Nov 2006
Cobra Make, Engine: Superformance MIII, Roush 427
Posts: 320
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Not Ranked
I can average 10-12 on the highway but nothing I do get's me above 8 in mixed driving. Oh well, atleast the gas never sits long enough to go bad. I've had the carb adjusted, but I really don't think a carb'd 427 is ever going to put out much over 14mpg.
-Dan
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