Postby Hook » March 28th, 2013, 10:15 pm
At what rpm does the noise come in while you're accelerating?
Aside from the probability it might be timing chain or noisy tappets. Try something here, since you said the noise stopped on idle, but still there on acceleration.
Leave the car, let it sit overnight on a flat surface. When you start up in the morning, listen carefully for the same noise and observe if it stops as soon as the oil light on the instrument cluster goes out.
If this happens, you're looking at worn bearings. Rebuild or replace the block.
