| manual says no additive but whatever. Everybody runs additive at some time or all the time. And over treating doesn't hurt it. I use fuel additive and 2 stroke oil for fuel. i think 2 stroke works better.
__________________ 2003 GMC Sierra SLT CC/SB. Loaded interior, autometer gauges, ATS E-POWER, Rapid Flow intake, Straight piped with 6 inch tip, Pro comp All Terrains, Tinted windows, Step tubes, Bed rail caps with bed tubes, adding more all the time. Decked out with LEDs for the fire department. Saving for trans and a few more goodies.  |