Donnie Posted November 3, 2007 Share Posted November 3, 2007 What weight oil is everyone using in their 1700 Kent. The manual calls for 15W40 which is diesel oil. I've run Castrol 10W40 since buying the car 10 months ago and everything seems to be fine. Thanks for any thoughts. Don Link to comment Share on other sites More sharing options...
bball7754 Posted November 4, 2007 Share Posted November 4, 2007 Lots of info on oil, Crossflow specific and general, on Blatchat. I started with 10w40 in my Crossflow, but have been using various 50's for the last few years. I think as long as your pressure is fine, the 10w40 will work. Steve Link to comment Share on other sites More sharing options...
Dave W Posted November 5, 2007 Share Posted November 5, 2007 I do not think it is a matter of 10w-40 Vs 15W -40 but the additive in the diesel oil. The EPA had taken Zinc Dithiophosphate out of the regular motor oil. lf your Kent engine has a HI LIFT cam then you need the EP additives. The recommend diesel oil still has these additives. Search ZDDP and get the full story. Anyone with HiPo flat lifter cams should be using diesel oil. Dave Whitt Link to comment Share on other sites More sharing options...
Donnie Posted November 5, 2007 Author Share Posted November 5, 2007 Thanks. Certainly learning a lot about oil. Don Link to comment Share on other sites More sharing options...
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