From reading the other posts, it seems the low pressure fuel pipe is the culprit as it somehow is drawing air.
That's the kinda noise I'm hearing from my zaffy
I guess your noise is different from mine if you think it's an air problem. Let us know what you find.
That's the kinda noise I'm hearing from my zaffy
I guess your noise is different from mine if you think it's an air problem. Let us know what you find.