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420A Possible rod knock or top end?

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To me that sounds like the common failure of the 420A: piston slap.

Have you drained the oil yet? Normally piston slap won't cause too much debris, while a rod knock definitely would.
 
To me that sounds like the common failure of the 420A: piston slap.

Have you drained the oil yet? Normally piston slap won't cause too much debris, while a rod knock definitely would.
No I haven't but I'm replacing the pan soon. It first started as a knock only when you would give it some gas, but it's developed into a constant knock now
 
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