Fully rebuilt my m20b25. When car is revved there's a knocking/tapping sound coming from below glovebox to middle of dash. Gets louder and quicker when going up revs.
No noise on idle, what could this be
Knocking noise - engine rebuilt
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maggspower
- Turbo Farmer Tractor Driver
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- Location: Nowhere near South Wales, ok butt
Heater pipes round the wrong way 
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