#2  
Old 09-09-2011, 01:01 AM
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A/Ox4
A/Ox4 is offline
9 ECHO 1
Join Date: Aug 2009
Location: Missouri
Posts: 12,450
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8-10 MPG is typical of a V10. There is very little you can do to improve that other than lighten your foot. A tuner may help, but dont count on it.