advice on a 2010 Tiffin Zephyr
I have found a 2010 Tiffin Zephyr that I am seriously considering buying. It has 33,000 miles on it. I understand that this 10.8 liter cummins engine used a def system. If I remember correctly this wa...
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Or, many of the tiffinrvnetwork people also are on the Tiffin facebook page and you will get a much faster (but not necessarily better) answer to your question.
