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 - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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