D dailydriver Joined Mar 14, 2006 Messages 9,614 Location Pennsylbammyvania May 20, 2018 #21 ^^^SI-1 DOES claim to contain some UCL (Upper Cylinder Lube).
G Garak Joined Dec 5, 2009 Messages 28,049 Location Regina, Saskatchewan, Canada May 20, 2018 #22 Originally Posted By: burla I probably way over use redline s1-1, and I have their oil in my crankcase as well. Ironically, for me, it's one of the most cost effective fuel system cleaners.
Originally Posted By: burla I probably way over use redline s1-1, and I have their oil in my crankcase as well. Ironically, for me, it's one of the most cost effective fuel system cleaners.