Forum Discussion
IdaD
Nov 04, 2015Explorer
There's a special 6.4 section over on cumminsforum.com and there have been a lot of people who haven't been satisfied with the performance of the 6.4, but they were comparing them to diesels which isn't really fair. With you coming from a 5.3L GM, I think your past experiences won't set you up to fail the same way.
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