Re: Chevy truck 6.0 liter question
 

A friend of mine complains about his truck with the 6.0, but its still running. He told me about this web site.
http://www.pistonslap.com/
Mike

Re: Chevy truck 6.0 liter question
 

Its caused by rather short pistons. When they go over center at top and bottom they give a little tick. Goes away as soon as it warms slightly. It is a minor annoyance and no problem. You want the performance from lighter pistons and long rods, you'll have to live with it! Frank