My car has a really bad knocking noise in motor. It will still crank and run just has a really bad knock. I've already took valve covers off to check if it was a rocker arm and it wasn't so what could be my problem? I'm hoping it isn't a slung rod but I've been told it wouldn't crank and run if it was a slung rod. So any information would be greatly appreciated.
My car has 180000 miles.
My car has a manual transmission.
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