Thread: something loose?

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Well if you checked all those other parts for mechanical noise and they are fine. Check your oil !, if it is glittery and feels like it has metal in it, then it's time to pull the sump off and take a look. I have a feeling it will be a loose rod for sure ........... Damn and blast !!!!! But at least you can save the block heads and cam and pistons. It will be crank pull out time again, so you will then have to decide weither to regrind the old crank on the big ends or to put in one of the after market new crank and rod sets. I you are going to put the boot into it regularly the after market parts would be the way to go, they have a good safety margin. If done right.

Just thought about this: you may be real lucky and it could be a broken valve sping.