adt... do your home work.. bio is great ,i run 100% in both my 05 duramax and my wifes 2000 X psd... keep your fuel filter and oil/filter changed regularly and youll be fine... i use diesel kleen in the winter and in fridge/freezer testing it kept 100% from freezing solid... 75/25 bio/#2 was still liquid @ 5 degrees  good luck... 
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2000 X ,4x4, DIY TYMAR, WALKER BTM, HYPERTECH LEVEL3, AIRDOG 100,
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