>>28475868the sqt/qtd thread just expired. u shoulda just made one, turbonigger.
>4.0's are bulletproofthey're not. if it increases / gets louder with rpms, it probably is rodknock. and if the sound is coming from the bottom of the engine. if it was at the top, then maybe it was something valvetrain like lifters or some shit that would be no big deal.
>$ to fixengine rebuild or engine swap. $3k for a rebuild + another $2k to swap it in and out probably. if it's knocking, a bearing replacement isn't going to last long if you wanted to just do that.
engine swap...depends on how much the engines are that you get, if you buy a junkyard engine or a crate engine etc.
Get a second opinion before you do anything.