Posted by Stephen Newell on August 03, 2015 at 05:05:15 from (166.137.139.59):
In Reply to: Oil Viscosity posted by John in La on August 02, 2015 at 17:20:57:
Oil is hard to guess. I bought a 1975 jeep and put a rebuilt motor in it. Because of it's age I put straight 30w oil in it and the oil pressure would run about 10 psi on the highway when it's suppose to get 37 psi. I was convinced the oil pump I got with the motor was defective so I replaced it and the oil pressure ran the same pressure. Then a couple years later I needed to change the oil and store I went to was out of 30w oil so I used 5w-30 oil. After changing the oil the oil pressure started running at 37 psi highway with the 5w-30 oil.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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