odd noise
corey
Sounds too me like detonation.
Denotation is caused by carbon deposits that are present in the combustion chamber that get hot and eventually turn into glowing lil coals and can pre ignite your fuel causing serious harm to your motor.
You can get rid of it with a couple of sea foam treatments(2-3 treatments)
Look up ChocoTaco's seafoam write up, it will explain the process, and its very simple to do but involves ALOT of smoke out of the exhaust

Also valve float doesnt really make a sound, unless you count pegging the rev limiter
corey

