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--- techtalk:ih:oil03h [2020/04/01 21:06]
hippysmack [IH: Oiling & Lubrication - Sub-03E]
+++ techtalk:ih:oil03h [2021/02/21 04:20]
hippysmack [Outer plate Seal (12036A)]
@@ Line 10: / Line 10: @@
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+===== Smoke Testing the Oil Supply =====
+This is not required but doesn't sound like a bad idea to test the oil pump and supply feed passages on a new engine or pump build. \\
+It has more advantages for 57-76 motors since you have to pull the engine to replace the oil pump if something is wrong. \\
+But it also isn't a bad idea for 77-up engines. As the article says, cheap insurance. \\
+Plus it'll let you know if your feed and return lines are crossed before it's too late to do anything about it. \\
+This is a excerpt from an article from Ironheacycle.com ((https://ironheadcycle.com/pages/howto5.html)) \\
+<blockquote>I hook up the oil pump supply line and fill it with engine oil, sometimes a funnel stuck in the end of a hose is all you need, in this case I hooked it right up to the oil tank. Then I grab the rods and spin the motor over until oil wells up in the holes that go to the rocker boxes. This makes sure that the pump is working and that all the oil passages are free and clear. Sometimes it is hard to make a new motor start pumping oil, in those cases I put an air hose on the oil tank and pressurize the tank with maybe three or four PSI out of my air hose to force oil into the supply line. I had to do that on this motor. It is not unusual. After oil wells up into those rocker box supply holes, I plug them. I usually just stick an old ball bearing in the fitting for the rocker supply line. Then keep spinning the motor, after just a little bit you should see oil coming out from around the connecting rods. If you don't you've got a problem. And as bad as it is to find that out now, it is a lot better to fine out now than after you've fired and fried the engine. All the oil you see around these rods is oil that got there by me spinning the engine over just by grabbing the ends of the connecting rods. I also dumped a little oil into the cam chest through the lifter block holes, after just a little spinning oil started being pumped out of the return to the tank fitting, so now I know the scavenge side of the pump is also working. I do this procedure on every engine I have the heads and barrels off on. It is cheap insurance to avoid costly problems down the road.</blockquote>
 \\
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