For those with 4.10s, NEED HELP, Have ??
All I can say is I have never regret my 4.10's on the street or strip. My gas mileage is about the same as when I had it stock because the tunes i got made gas mileage increase. Adding the 4.10's made it about stockish as long as I cruise around 60mph or less on the highway. If you are doing 75+, then I think it would be a major difference in mpg.
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junior04
4.6L (1996-2004 Modular) Mustang
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Sep 28, 2015 10:53 AM
Figure8allday
4.6L (1996-2004 Modular) Mustang
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Aug 22, 2015 11:11 AM




