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4.7L Sludge?

3K views 4 replies 5 participants last post by  RamTech 
#1 ·
I have a 03 Ram with the 4.7. I have heard people say these engines are bad to sludge up. Is this true? If so what can be done to help prevent this? Perhaps using 5w30 full syntheic motor oil? That is my only idea.
 
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