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Re: O.T. 15W40
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Posted by TexMac on June 07, 2004 at 20:58:29 from (208.8.8.18):
In Reply to: O.T. 15W40 posted by rustyfarmall on June 07, 2004 at 19:21:47:
When I was a kid, the guy who was to be my father in law, and the best mechanic I ever met, taught me that motors are very accommodating. If there is no clearance for thick oil to circulate when first cranked, they will grind out enough clearance so it can. ALWAYS use the lowest viscosity recommended. You can always go to the next higher vicosity when it begins to use oil between changes. By the tme you have incresed viscosity twice you will have over 250,000 miles and probably should change out the rings and bearings anyway. He was a rebuilder and that's how he maintained the truck he used to collect old blocks. I've followed that gospel for some 40 years and have driven cars started new that way for up to 480,000 miles on the original rings and bearings with no smoke when they were retired!
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