I would try propane to isolate that intake air leak
I used my oil-smoke leak detector on it, and couldn't see any leaking smoke, even with a hot engine. I suspect it's very small, just enough to whistle if discostew is right.
I would try propane to isolate that intake air leak
That's some old-hand advice!It’s probably your intake gasket leaking.
I’m old. Didn’t I tell you?That's some old-hand advice!