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Discussion Starter #1
looking at a 05 duramax at a smokin deal i know there are some engine changes since 05, is it a big deal? or should i opt to cough up for the 07 duramax ,any input app thanks ,this site is a great site for info:)
 

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Just depends on how many ole dead presidents you wanna give up.The 06 and 07 motors are better,plus the six speed tranny.
 

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Discussion Starter #4
duramax

what are the real diff are the older or 05 dogs
 

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Look in the 2006-2007 lly,lbz engine forum. There is a post there explaining the diffs. The 04.5 and 05 lly are good trucks.
 

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If you tow heavy, get the 2007 model. Less worries about overheating.
 

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Remeber, the 07 requires ULSD. Otherwise you'll set a code.
 

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Im with LarryJewell, if you want power, get the lly less emission worries, if your using it for an everyday driver with light tow the 07s might b your pic, they are very nice and can still be turned up significantly. ITS ALL ABOUT THE $$$s.
 
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