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blnagel 07-22-2004, 12:53 PM My question is Should I use primrose 405? My thinking behind this is if you use this it will keep your injectors healthy. Right? I know my truck has had 3 injectors replaced and I feel that all 8 need replaced then I will use primrose. Is this logical or am I full of s*it? Please let me know. Ben http://www.dieselplace.com/forum/smileys/Rock On.gif blnagel 07-23-2004, 09:46 AM Anyone? Mike L. 07-23-2004, 10:33 AM I never leave home without it. Good stuff. mike dmax lover 07-23-2004, 11:00 AM In order to protect our fuel system, bosch says that the fuel needs to provide enough lubricity to meet minimum 460 microns HFRR wear test. A typical u.s. fuel can test out around 600 microns. The only additives that I have seen with acceptable hfrr test results are stanadyne and shell rotella DFA. In other words, I would use one of these over primrose. - jeff blnagel 07-23-2004, 01:22 PM My question is if I use an additive will this prolong my injectors lifespan? I would feel better if I had 8 new injectors in then do the additive. Does this make sense? Ben dmax lover 07-23-2004, 08:34 PM That's a view I have heard by others expressed here. My wife uses my truck to tow horses - not sure when or where they (the injectors) might die. Wife must be happy - truck must be reliable, so I am lubing them babies *alot*. Double dose of stanadyne lubricity formula plus a splash of stanadyne performance formula right now... - jeffEdited by: dmax lover | ||