Posted by Morgan in ar on August 13, 2019 at 18:43:19 from (208.163.184.98):
I had some time to work on the old Chevy today. I took out all the plugs, hoping to cough out any debris in the cylinder...no change. No plugs appeared damaged. I bought a bore scope, but I couldn't see anything except for the reflection of the light on the camera on the back of the cylinder walls. I pulled the valve covers, and didn't notice any change in the sound, or see anything odd. Three pushrods weren't rotating, but nothing really loose. All valves appeared to be closing all the way. The knock seems to keep time with the valve train. It sounds kind of like a three cylinder Ford or Perkins, to keep it tractor related. Other than the knock, it is running smooth. I tried listening through a hose, and the sound is loudest behind the water pump, and inside the breather on the front of the intake manifold. Camshaft?, Maybe fuel pump lifter? Could be a coincidence, not related to the carb change. What next? Pull the intake?
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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