Thread: engine ticking
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Old 03-27-2023, 12:26 PM   #11
nkaminar
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Location: Western North Carolina
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Default Re: engine ticking

Play back the video at 1/4 speed. It sounds like there are two things going on. It sounds like there is some gear noise when the ignition is retarded or in a normal position. Check the gear for the camshaft by removing the side cover. When the ignition is advanced by pushing on the lever on the distributor, you are getting knocking. This can be very bad for the engine, leading to rod bearing failure. Find the knee in the ignition curve, see post #5, and run the ignition there or one notch retarded (up).

Jim has some good ideas. Take the cover off the valve area and check for loose valves or lifters and while you are in there check the valve clearances. The valves and lifters should have to perceptible side movement.

A simple way to check the valve clearance is to use the rule of 9. This means that if number 1 valve is up, check number 8, and if number 2 is up, check number 7, and if number 3 is up, check number 6, etc. In each case the numbers of the valves add up to 9. To check number 1, 8 would be up, etc.
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Last edited by nkaminar; 03-27-2023 at 12:37 PM.
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