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Stirring it up
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<blockquote data-quote="BigBear56" data-source="post: 1648460" data-attributes="member: 38461"><p>DO NOT BUY A half ton 2007-2015 Chevy or GMC. The active fuel management in the 5.3 vortecs in those years was a major problem. When it switched over to 4 cylinders at highway speed, it ran 4 cylinders dry and burnt rings. Company I worked for had 30 of them and put motors in 23. I have heard that there is a plug in tuner that will deactivate the AFM but I haven't seen it personally. The 6.0's in 2500's are fine. GM changed their oiling system in 16? And the new ones seem to be fine in 4 cylinder mode. The 99-06 1/2 tons were really great trucks IMO</p></blockquote><p></p>
[QUOTE="BigBear56, post: 1648460, member: 38461"] DO NOT BUY A half ton 2007-2015 Chevy or GMC. The active fuel management in the 5.3 vortecs in those years was a major problem. When it switched over to 4 cylinders at highway speed, it ran 4 cylinders dry and burnt rings. Company I worked for had 30 of them and put motors in 23. I have heard that there is a plug in tuner that will deactivate the AFM but I haven’t seen it personally. The 6.0’s in 2500’s are fine. GM changed their oiling system in 16? And the new ones seem to be fine in 4 cylinder mode. The 99-06 1/2 tons were really great trucks IMO [/QUOTE]
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