Originally Posted by TeamMancusoSW
What lubricant should I use to run it straight? Any thoughts on power increase straight vs. blended? Will try when my tank gets low, I still have 5 gal left.
Most any will do. Power Service Diesel Klien is usually readily available at most auto parts stores. Bio diesel is excellent too. If you're interested in a comparison test do a search I posted a lubricity additive test on here a while back.