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-   -   4-stroke engine valve sounds? HELP!! (https://www.rcuniverse.com/forum/glow-engines-114/1797522-4-stroke-engine-valve-sounds-help.html)

Ghostrider FIN 05-08-2004 12:39 PM

4-stroke engine valve sounds? HELP!!
 
Hi again all!

I got i thing to ask about 4-stroke engine valve sound. When i unscrew glow plugs off from cylinder head and turn engine on camshaft i can hear "metallic" sound like "PLIP" "PLOP" and so on when i rotate the engine. Is that OK? I been only break in for few tank of fuel. I think valves caused this sound but i don´t sure.

Engine seems work normally and when engine is running sound are gone too. Weird?

I hope you can understand what i mean, bit hard to say this in English, from Finnish it is lot easier. :D

Flyboy Dave 05-08-2004 12:45 PM

RE: 4-stroke engine valve sounds? HELP!!
 
Some valve clicking is normal, but you must check the valve clearances
after a few tanks, and every couple months. Put some oil on the rockers
and some down the push rod tubes when you service the valves to provide
some additional lubrication. :D

Dave. ;)

Ghostrider FIN 05-08-2004 12:47 PM

RE: 4-stroke engine valve sounds? HELP!!
 
And also no nothing sounds are heard when glow plug is in place and engines compression in OK too, so valves don´t leak.:eek:


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