Thread: Falling out of love with Duramax
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Old 07-19-2013, 08:07 AM
toodeep toodeep is offline
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Join Date: Oct 2010
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I have a 7.3 with 280000 miles not internal engine work. the company 7.3 has over 400000 with just injector sleeves changed in it about 20000 mile back and getting 19.5 to 21 mpg on interstate. newer is not always better.
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