CR from Texas,

I've always used the Redline Diesel Fuel Catylst and Startron...Long before the
LSD and ULSD.(North American Diesel fuels have been Low Cetane ever since
the Refiners started "getting away with it" after WWII/Korea.)During WWII the
Diesel fuels refined in USA were second to none.
The Redline just happens to have a lubricity additive...But not enough to
overcome ULSD's lack of lubricity.Hence the TC W Synthetic.

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'84 300SD sold
124.128