m5040 Posted October 13, 2012 Share Posted October 13, 2012 I have a EM6 300 with over 500k on it that I know of. When I lug it down to 1100 rpms, the oil pressue is maybe 30psi. Has anyone used straight weight oil (like 30w) in their engines? I live in CT but don't use it after November. The straight weight oils really keep the 2cycle Detroits together. Quote Link to comment Share on other sites More sharing options...
oilburner Posted October 14, 2012 Share Posted October 14, 2012 I have a EM6 300 with over 500k on it that I know of. When I lug it down to 1100 rpms, the oil pressue is maybe 30psi. Has anyone used straight weight oil (like 30w) in their engines? I live in CT but don't use it after November. The straight weight oils really keep the 2cycle Detroits together.I have a e 7 454 that only has 12 15 psi at 600 rpm hot, and maybe 30 at 1100, i would run 15w40 and put some lucas in with it. Quote Link to comment Share on other sites More sharing options...
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