Engine knock sound, thoughts?
Seems like in hogging this forum so bear with me
Zong is making engine knocking sound, its a lot quieter now so this sound is very exaggerated, but still a definite knock there,
She starts/idles/rides fine its when in idle you hear this , and low-medium revs
Im suspecting timing?
Running boosted fuel
Video was piston was new fyi
Last edited by b44; 07-25-2016 at 05:30 AM.
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